Nine Nujum, Agus Tinus, and Kuncahyono. “The Principal’s Role in Building a Religious and Disciplinary Culture at SD Muhammadiyah Plus Maduran”. Journal of General Education and Humanities 5, no. 3 (June 21, 2026): 3703–3716. Accessed June 22, 2026. https://journal-gehu.com/index.php/gehu/article/view/1378.