The Principal’s Leadership Role in Improving School Administrative Effectiveness: A Qualitative Study at SDN 23 Talang Kelapa. JMKSP (Jurnal Manajemen, Kepemimpinan, dan Supervisi Pendidikan), [S. l.], v. 11, n. 1, p. 363–371, 2026. DOI: 10.31851/jmksp.v11i1.21757. Disponível em: https://jurnal.univpgri-palembang.ac.id/index.php/JMKSP/article/view/21757. Acesso em: 30 jun. 2026.