Eromo Adillo, Amanuel. “The Principals’ Professional Leadership Roles in Managing the Teachers Professional Development: The Case of Addis Ababa Senior Secondary Schools”. Kotebe Journal of Education 1, no. 1 (September 10, 2023): 58–78. Accessed November 26, 2024. https://kje.kue.edu.et/index.php/kje/article/view/37.