Abo GB, Hussein AA. Practices and Challenges of Teachers’ Professional Development in Cluster Satellites of Haramaya University: Higher Diploma Program in Focus. Bahir Dar j. educ. [Internet]. 2020 Feb. 20 [cited 2026 Apr. 11];19(2). Available from: https://journals.bdu.edu.et/index.php/bje/article/view/119