Abo, Garkebo Basha, and Anwar Ahmed Hussein. “Practices and Challenges of Teachers’ Professional Development in Cluster Satellites of Haramaya University: Higher Diploma Program in Focus”. Bahir Dar Journal of Education 19, no. 2 (February 20, 2020). Accessed April 19, 2025. http://journals.bdu.edu.et/index.php/bje/article/view/119.