“Principal’s Supervision Strategy to Improve Teachers’ Performance Based on Professional Competence”. JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan) 10, no. 1 (March 4, 2025): 288–309. Accessed June 21, 2026. https://jurnal.univpgri-palembang.ac.id/index.php/JMKSP/article/view/18104.