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The main purpose of the study was to analyze the relationship between cutting forces and tool wear during turning of steel 30CrNiMo8.

It is very important to find the optimal machining conditions to increase the tool life and to improve product quality. Width of tool wear was measured by universal microscope.

During experimental procedure, one chip shape was obtained for the given machining parameters. Results showed negligible tool wear for the given experimental conditions. In other words, the tool wear is negligible for one chip shape.

To increase tool wear, there are different chip shapes.

The main aim of this paper is to provide an assessment of the intellectual impact of the work of Jaroslav Vanek in the related fields of participation and labor management (hereafter, PLM) and participation and employee ownership (hereafter, PEO).

This paper used mixed methods including bibliometric analysis.

Vanek's work, particularly the General Theory of Labor-Managed Market Economies, (Vanek, 1970) is the building block for the modern scientific study of cooperatives and for helping to establish the fields of PLM and PEO. Vanek (1970) continues to be the highest cited publication each year that investigates the pure case of a labor-managed firm. Arguably his work has played a significant role is setting the stage for the development of adjacent fields in economics such as the new institutional economics. For an economist, his work has had an unusually strong impact on work outside of economics.

No similar assessment has been undertaken before.