Syafrizal, Syafrizal, Ramdhan Witarsa, and Nurmalina Nurmalina. “Pengaruh Supervisi Koordinator Wilayah Kecamatan Terhadap Mutu Kepala Sekolah Jenjang Pendidikan Dasar”. Journal of Education Research 4, no. 1 (March 8, 2023). Accessed January 9, 2026. https://jer.or.id/index.php/jer/article/view/149.