Kafi, Badrul. “THE INFLUENCE OF CERTIFICATION PROGRAM ON TEACHER PERFORMANCE AT THE YAYASAN DARUL FALAH PAJARAKAN PROBOLINGGO”. Managere: Indonesian Journal of Educational Management 1, no. 1 (December 12, 2019): 112–123. Accessed January 31, 2026. http://serambi.org/index.php/managere/article/view/49.