Role of The Head of School In The Formation of Islamic-Based School Culture (Case Studi in SMP Muhammadiyah 30 Sihepeng Kab. Mandailing Natal). Jurnal Pendidikan dan Humaniora Rumbio, [S. l.], v. 1, n. 1, 2025. Disponível em: http://journal-rumbio.willyprint-art.my.id/index.php/ojs/article/view/16. Acesso em: 4 mar. 2026.