Jauwiyah, Yasir Arafat, and Yenny Puspita. “The Effectiveness of Principal Supervision and Teacher Professional Competence on Teacher Performance in SMP Kisam Tinggi District, South OKU”. Jurnal Pendidikan Tambusai 5, no. 3 (August 29, 2021): 5570–5573. Accessed March 29, 2024. https://jptam.org/index.php/jptam/article/view/1752.