List of Articles organizational evolution Open Access Article Abstract Page Full-Text 1 - Investigating the Role of Humor of Manager in Organizational Evolution with the Mediating Role of Entrepreneurial Orientation and Happy Child Ego State of Employees (Case Study: Education Department of West Azerbaijan Province) احمد اسدزاده مسلم یوسفی عبداله دهقانی سهراب احمدزاده 10.30495/ee.2022.1965904.1120