Abdullah D, Yonis A. Leadership Ethics and Contributions in Voice of Employees: Analysis of Facts and a Model Presentation in Department of Business Administration College of Administration and Economics. TANRA [Internet]. 2012 Jan. 1 [cited 2025 Sep. 8];34(106):9-25. Available from: https://tanmiyat.uomosul.edu.iq/index.php/tanmiyat/article/view/30193