Subandi, Subandi. “SUPERVISION IMPLEMENTATION IN MANAGEMENT QUALITY: AN ATTEMPT TO IMPROVE THE QUALITY OF LEARNING AT MADRASAH ALIYAH DARUL A’MAL METRO”. Jurnal Pendidikan Islam 1, no. 3 (March 14, 2016): 446–461. Accessed February 1, 2026. https://www.journal.uinsgd.ac.id/index.php/jpi/article/view/687.