Bakar, Bakar Moh’d, Dr. Timothy Mandila, and Dr. Gadi Koda , trans. “Role of Continuous Professional Development for English Language Teachers in Enhancing Teaching  Public Ordinary Secondary Schools”. International Journal of Scientific Research and Management (IJSRM) 13, no. 08 (August 5, 2025): 4227–4242. Accessed August 22, 2025. http://www.ijsrm.net/index.php/ijsrm/article/view/6492.