Akmal, Ikhwani, Nur Ahyani, and Dessy Wardiah. “The Influence of Academic Supervision and Principal Leadership on the Professionalism Teachers”. Jurnal Pendidikan Tambusai 5, no. 2 (August 29, 2021): 4967–4975. Accessed May 19, 2024. https://jptam.org/index.php/jptam/article/view/1735.