SIREGAR, Muhammad Wafi; MUHAMMAD RIFA’I. Peran Kepala Sekolah Dalam Implementasi Manajemen Mutu 5s (Seiri, Seiton, Seiso, Seiketsu, Shitsuke) Di MAS Muhammadiyah 1 Medan. PESHUM : Jurnal Pendidikan, Sosial dan Humaniora, [S. l.], v. 5, n. 4, p. 11323–11330, 2026. DOI: 10.56799/peshum.v5i4.17842. Disponível em: https://al-haramjournal.co.id/PESHUM/article/view/17842. Acesso em: 7 aug. 2026.