Tessema, Mitiku Garedew, and Girma Gezahegn Belihu. “Investigating University EFL Teachers’ Perception, Practice, and Challenges in Self-Initiated Professional Development”. Journal of Languages and Language Teaching 11, no. 3 (July 17, 2023): 475–488. Accessed August 14, 2025. https://e-journal3.undikma.ac.id/index.php/jollt/article/view/7234.