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Due to the rapid increase in environmental degradation and depletion of natural resources, there has been a recent shift in global focus from economic concerns to environmental ones. The purpose of this research is to examine the relevant literature on the use of blockchain technology to promote environmental sustainability through customer integration.

The proposed framework is based on the theoretical lens of systems theory (ST) and knowledge-based view (KBV) theory, and is developed by conducting a systematic literature review of 51 articles, (16) from 2022, (17) from 2021, (10) 2020, (5) 2019, (2) 2018 and (1) from 2017 on blockchain technology (BCT), environmental supply chain performance (ESCP) and customer integration.

Three main propositions are formulated and demonstrated using the developed framework, which shows that BCT has the potential to revolutionize the supply chain from an environmental sustainability perspective through facilitating waste management, reduction of energy consumption and reduction of carbon emissions/pollution. The technology will not only enhance the environmental sustainability but also facilitate customer integration through resolving transparency issues, protecting data/enhancing security, database decentralization, promoting trust and immutability.

The effects of blockchain on supply chain performance has been studied in the past; however, no studies were found which shed light on how BCT can affect ESCP through the mediation of customer integration.

This research aims to provide a conceptual framework with the scope to assist in establishing sustainable supply chain clusters (SCCs) by providing an instrument for organisations to enhance the three sustainability dimensions in a dynamic environment.

This research proposes a conceptual framework to enhance sustainability and organisational performance through three theoretical lenses: the system theory, extended resource-based view and the dynamic capabilities (DCs) theory. This approach is carried out through a comprehensive review of the existing literature on SCCs.

Four main propositions are formulated and demonstrated using the developed framework, which expands the discussion about SCCs and their key characteristics in a dynamic environment. This is particularly relevant as it allows empirical testing of the theories in an SCC context.

It can be noted that more extensive research is needed to further understand the issues faced in establishing sustainable clusters. Drawing on the theoretical lenses to establish the framework helps to enhance the understanding and operational capabilities of sustainable SCCs during and after disruptions, such as the global disruption created by COVID-19.

This research paves the way to help organisations improve their adaptability to the dynamic business environment by emphasizing the importance of clustering and linking it to sustainability through DCs to establish a sustainable cluster.

This research aims to guide organisations' use of SCCs as tools to enhance sustainability in a dynamic environment, given that the relationship amongst supply chain cluster design characteristics (SCCDCs), DCs and sustainability remains unexplored. The combination of the three theoretical lenses in developing the proposed framework will assist in further understanding the applicability of these theories when they are considered together.

This paper aims to investigate the preventive effects of a concomitant supplementation of a lyophilized aqueous extract of Globularia alypum (Ga) leaves in a high cholesterol-diet (HC-D) on lipid profile and lecithin cholesterol acyltransferase (LCAT) activity in hypercholesterolemic rats.

Twenty-four male Wistar rats weighing 232 ± 10 g were divided into four groups (n = 6). Two control groups were fed a standard-diet (St-D) supplemented (C-Ga) or not (C) with 1.66% Ga leaf extract. The two others experimental groups were fed HC-D, which contains the St-D plus 1% of cholesterol and 0.5% of cholic acid supplemented (HC-Ga) or not (HC) with the same amount of Ga. At d28, feces were collected and fasting rats were anesthetized; bloods and livers were removed to measure biochemical parameters.

In hypercholesterolemic (HC) rats, Ga supplementation in HC-D induced a significant reduction in ALT (−64%, p = 0.002) and AST (−71%; p = 0.005) activities, in plasma TC (−55%; p = 0.03) and TG (−54%; p = 0.01) concentrations, in cholesterol contents of atherogenic lipoproteins VLDL (−78%; p = 0.004) and LDL-HDL1 (−64%; p = 0.003) and inversely, an increase in those of anti-atherogenic HDL2 (+14%; p = 0.002). Feeding the HC-D-Ga exhibited a reduction in atherogenic index Apo B/Apo A-I (−72%; p = 0.002), an increase in faecal lipids, cholesterol excretion and in plasma apo A-I (+60%; p = 0.002) and HDL2-cholesteryl esters (+32%, p = 0.04) and then improved LCAT activity (+31%; p = 0.03).

In hypercholesterolemic rats, Globularia alypum extract was effective in preventing lipid disorders by its hypolipidemic action, had an anti-atherogenic potential and a protective effect against cardiovascular risk by enhancing LCAT activity.

The purpose of this paper is to draw a map of the general features of epistemological and critical concerns in contemporary Islamic philosophy. This study will not be confined to the domain of academic philosophy or to those who are professionals in the field of philosophy.

The paper adopted the critical rational approach in dealing with contemporary Islamic philosophy in the Arab world. The scope will include scholars from different fields of epistemology who tried to present a “vision” of the attitude that should be adopted in facing the challenges of the age and the problems of the nation on the epistemological level or the political, economic and social levels.

There is a need for a philosophy of action and progress rather than a philosophy that is based on abstract ideas and theories and of words/rhetoric. The ethics required to accomplish this ought to identify the attributes of the citizen who can reach self-actualization through legitimate means based on a progress agenda with theoretical and philosophical foundations.

Because a critical rational approach can be dealt with from different perspectives, this paper will adopt the classification of the principal intellectual trends: the reformist, secular and liberal.

This paper covers a long time span to determine whether the philosophical projects have been effective.

This paper, which criticizes the philosophic projects that are theoretically unsound and that do not address real social problems (like poverty), argues the need for a philosophy of progress and action. This will lead to devising an agenda that addresses the challenges the society is facing and to finding alternative and creative solutions resulting in development.

The purpose of the paper is to showcase the significant achievements of Egypt's scientists in the 20th century across various fields of study such as medicine, physics, chemistry, biology, math, geology, astronomy and engineering. The paper highlights the struggles and successes of these scientists, as well as the cultural, social and political factors that influenced their lives and work. The aim is to inspire young people to pursue careers in science and make their own contributions to society by presenting these scientists as role models for hard work and dedication. Ultimately, the paper seeks to promote the importance of science and its impact on society.

The purpose of this review is to present the scientific biographies of Egypt's most distinguished scientists, primarily in the field of Natural Sciences, in a balanced and comprehensive manner. The work is objective, honest and abstract, avoiding any bias or exaggeration. The author provides a clear and concise methodology, including a brief introduction to the scientist and their field of study, an explanation of their major contributions, the impact of their work on society, any challenges or obstacles faced during their career and their lasting legacy. The aim is to showcase the important achievements of these scientists, their impact on their respective fields and to inspire future generations to pursue scientific careers.

The group of outstanding scientists in 20th century Egypt were shaped by various factors, including familial upbringing, education, society, political and cultural atmosphere and state support for scientific research. These scientists made significant contributions to various academic disciplines, including medicine, physics, chemistry, biology, mathematics and engineering. Their impact on their communities and cultures has received international acclaim, making them role models for future generations of scientists and researchers. The history of these scientists highlights the importance of educational investments and supporting scientific research to foster innovation and social progress. The encyclopedia serves as a useful tool for students, instructors and education professionals, preserving Egypt's scientific heritage and honouring the scientists' outstanding accomplishments.

The encyclopedia preserves Egypt's scientific heritage, which has been overlooked for political or other reasons. It is a useful tool for a variety of readers, including students, instructors and education professionals, and it offers insights into universally relevant scientific success factors as well as scientific research methodologies. The encyclopedia honours the outstanding scientific accomplishments of Egyptian researchers and their contributions to the world's scientific community.

The practical implications of this paper are several. First, it highlights the importance of education, family upbringing and societal support for scientific research in fostering innovation and social progress. Second, it underscores the need for continued funding and support for scientific research to maintain and build upon the accomplishments of past generations of scientists. Third, it encourages young people to pursue scientific careers and make their own contributions to society. Fourth, it preserves the scientific heritage of Egypt and honors the contributions of its outstanding scientists. Finally, it serves as a useful tool for students, instructors and education professionals seeking to understand the factors underlying scientific success and research methodologies.

The social implications of the paper include promoting national pride and cultural identity, raising awareness of the importance of education and scientific research in driving social progress, inspiring future generations of scientists and researchers, reducing socioeconomic disparities and emphasizing the role of society, politics and culture in shaping scientific researchers' personalities and interests.

The paper's originality/value lies in its comprehensive documentation of the scientific biographies of Egypt's most prominent scientists in the 20th century, providing unique insights into the factors that contributed to their development and their impact across various academic disciplines. It preserves Egypt's scientific heritage and inspires future generations of scientists and researchers through the promotion of educational investments and scientific research. The encyclopedia serves as a useful tool for education professionals seeking to understand scientific success factors and research methodologies, emphasizing the importance of supportive and inclusive environments for scientific development.

Understand the implementation phase of sustainable start-ups. Identifying the 4 Ps of sustainable start-ups. Understand the different types of challenges faced by Up-Fuse regarding their target customers and their value proposition. Highlighting the important strategic decisions that sustainable start-ups have to consider in their business cycle. Analyzing the differences between the market conditions globally and in the Middle East and North Africa (MENA) region.

Sustainable entrepreneurship is the type of entrepreneurship that is market-oriented and creative while at the same time putting the environment, society and economy into consideration. Sustainable entrepreneurs offer value through their goods and services that are beneficial or at least do not harm the environment or the society. The case provides background information and facts about doing business in the MENA region and Egypt specifically. Afterward, the case study emphasizes the challenges that are faced by sustainable entrepreneurs in Egypt through analyzing the case of a sustainable Egyptian start-up. The case study is on Up-Fuse, one of the sustainable start-ups in Egypt that produce backpacks, shoulder and waist bags, laptop sleeves, cases and pouches. This case study aims at describing the different challenges and strategic decisions that sustainable start-ups go through in Egypt.

This case targets undergraduate management students, marketing students, master of business administration students, entrepreneurship students and entrepreneurs. This case can be taught in courses with marketing, entrepreneurship and sustainability focus.

Teaching notes are available for educators only.

CSS 3: Entrepreneurship.

Under a gradual long-term plan of the Saudi Stock Market (TADWUAL) from 2016, Saudi Arabia decided to work with International Financial Reporting Standards (IFRS) board to fully adopt its accounting standards. Saudi Arabia has undergone several reforms in governance and standards of internal controls are changing rapidly. This study aims to assess whether IFRS adoption has any moderator role in the relationship between disclosure quality and firm-specific characteristics in the Saudi Stock Market.

This study assesses whether IFRS adoption has any moderator role in the relationship between disclosure quality and firm-specific characteristics in the Saudi Stock Market. The key research hypotheses postulate that compared to IFRS status, after adoption, several independent variables influence the disclosure level. The analysis covers a local sample of 184 Saudi listed firms over the period 2016 to 2020. Using an in-depth content analysis technique, the voluntary disclosure and number of annual report pages are measured manually and year by year to capture levels and unique characteristics. The authors apply cross-sectional regression, first difference method, Pooled OLS and feasible general least square estimations. The mean of disclosure level increases from 33.03% in 2016 to 56.14% in 2020.

The results reveal that the vast majority of firm-specific characteristics were significant in pre-IFRS adoption period. First difference analysis shows a significant impact of firm size and non-executive composition on the disclosure level. The authors confirm that IFRS adoption plays a critical role in the quality of firms’ financial reports and supports to create a conducive economic environment in Saudi Arabia.

First, the implementation of IFRS adoption should impact the Saudi accounting information and disclosure quality in Saudi context markedly. Second, firm-specific characteristics align with corporate governance are the main determinants of accounting information and transparency; therefore, focusing on this angle enables regulators and policymakers to mitigate uncertainty and asymmetric information. Third, the findings of this research state that there is a negative relationship between disclosure quality and board meetings. This encourages policymakers to reconsider the number of board meetings in firms that was not as high as in the developed markets. Notwithstanding all previous implications, it is recommended that future research undertake a various quasi-experimental design such as a difference-in-difference approach to estimate the causal effect of corporate governance mechanisms on IFRS 7 mandatory disclosure requirements on in Saudi Arabia context.

There is a lack of studies on this realm and such as these studies will enrich the understanding of aspects of IFRS adoption and contribute to the prior empirical literature. Importantly, the extend of this sample into other Gulf Cooperation Council countries and exhibition the difference effect can be very useful to enrich the knowledge of IFRS adoption aspects in corporate disclosure and accounting information quality.

Saudi Arabia has undergone several reforms in governance, and their standards of internal controls are changing rapidly. This has been attributed to the importance of providing guidelines, practices and regulations for listed companies. One of the major turning points of financial reporting quality in Saudi listed firms was adoption of IFRSs. This adoption deems to be necessity in ensuring the highest level of transparency and information reliability. Based on the findings of this research, the present investigations set up a platform and furnish many implications for policymakers, companies’ board of directors, financial analysts and other related authorities. The results should provide policymakers with greater insight of the relationship between disclosure quality and corporate-specific characteristics throughout the IFRS adoption periods. Thus, the results derived from this study can be effective and useful for the IFRS adoption committee in the Saudi Organization for Certified Public Accountants (SOCPA). According to the best of the authors’ knowledge and based on official secondary information sourced from the SOCPA website, there are several standards that are subject to difficulties in measurement and are modified from time to time, such as: IFRS1, IFRS8, IFRS12, IFRS16 and IFRS18.

Web services refer to a specific set of technologies used to implement a Service Oriented Architecture. Thanks to maturing Web‐services standards, and to new mobile devices and application solutions, progress is being made in presenting similar Web‐services offerings in both mobile and fixed networks. To bring that architecture and the solutions it will support to the world of mobility is indeed a significant issue in m‐business applications, because mobile Web services present various advantages: Reduction of the overall cost of development (by reusing existing system components), faster time to market introduction of products (provided by applications’ rapid development and deployment) and remarkable possibilities to emerge new applications with increased functionalities. In addition, the new and forthcoming mobile networks, with native IP connection and high speed transmission capability, allow the development of a variety of modern multimedia services. Multimedia Messaging Services (capable to mix the media types in order to enable more intuitive messaging operation), and Instant Messaging and Presence Services (dedicated for presence, instant messaging, and distribution and sharing of multimedia content in groups of users), provide suitable underlying capabilities to support location‐based and context‐sensitive multimedia services. In this paper we will present the current approaches regarding architectural, functional and security features that allow enterprises to enjoy the benefits of traditional Web services in the mobile multimedia domain.

The purpose of this study is to undertake surface graft copolymerization of viscose fabric via altering its fibrous properties by using acrylic acid (AA) as a carboxyl-containing monomer and peroxydisulfate (PDS) in presence of ferrous sulfate as a novel redox pair for initiating grafting. The latter process acted as an energy-saving process with respect to the reduction in polymerization temperature and maximizing the graft yield %, in addition to rendering the grafted viscose fabrics dye-able with cationic dye (crystal violet), which has frequently no direct affinity to fix on fabric.

To make graft copolymerization more efficient and economic, the optimum conditions for graft copolymerization were established. The graft yield % was determined as a function of initiator, catalyst and monomer concentrations and the material to liquor ratio, in addition to polymerization time and temperatures. Metrological characterizations via Fourier transform infrared spectroscopy and scanning electron microscopy of topographic morphological surface change have also been established in comparison with the ungrafted samples.

The maximum graft yield of 70.6% is obtained at the following optimum conditions: monomer (150 % based on the weight of fabric), PDS (50 m mole), ferrous sulfate (80 m mole) and sulfuric acid (30 m mole) at 40° C for 1.5 h using a liquor ratio of 30. Remarkably, grafting with AA enabled a multifold upsurge in color strength, with improvements in the fastness properties of cationically dyed grafted viscose fabric measured on the blue scale in comparison with untreated viscose fabric.

The novelty addressed here is undertaken with studying the effect of altering the extent of grafting of poly (AA)-viscose graft copolymers expressed as graft yield % in addition to carboxyl contents on cationic dyeing of viscose fabric for the first time in the literature. Moreover, rendering the viscose fabrics after grafting is dye-able with cationic dye with high brilliance of shades, which has regularly no direct affinity to fix on this type of fabrics.

The purpose of this research is to present an Islamic monetary theory of value by analyzing real prices and real money in terms of gold and silver in Egypt from 696 to 1517, a period of 821 years from the Umayyads to the Abbasids.

This paper adopts a quantitative empirical investigation derived from a full population of secondary data to deductively evaluate the measure and store of value functions of money, to affirm an Islamic monetary theory of value, which is also inductively researched through a qualitative interpretation of documentary and content analysis of Islamic and numismatic literature.

The Islamic monetary theory of value leads to an Islamic equation of exchange that reconfirms the outcome of this research, where a high value of money ensures low constant real prices over the long term.

The findings are based on an empirical investigation involving a single price of wheat series as a reasonable proxy for changes in wholesale commodity prices generally, which was successfully adopted by other studies.

The significance for modern monetary policy is that monetary authorities should adopt an Islamic monetary theory of value to achieve genuine monetary and price stability.

Through an Islamic equation of exchange, price stability would ensure real economic growth that protects wealth for holders of money due to a stable purchasing power, and combined with Islamic equity finance, more efficiency in allocating investible resources to increase gross domestic product and employment.

The Islamic monetary theory of value ensures that there is no transfer or confiscation of wealth through inflation, which would impart gains to the issuer due to the excessive supply of money in relation to demand.