Adugna, Getachew. “Perceptions and Practices of Continuous Professional Development of Postgraduate Diploma Trainees of Addis Ababa University”. The Ethiopian Journal of Education 45, no. 1 (July 7, 2025): 127–178. Accessed July 11, 2025. https://ejol.aau.edu.et/index.php/EJE/article/view/12000.