Improving Corporate Management Using the Lean Concept: Integration and Optimization of Business Processes International Journal of Psychology and Strategic Communication Wittmann Foundation 2025-04-18 https://doi.org/10.61030/IJPSC.25.v01a01 https://ijpsc.org/articles/improving-corporate-management-using-the-lean-concept-integration-and-optimization-of-business-processes/ https://creativecommons.org/licenses/by/4.0/