HASIBUAN, I. M.; BUDI. Transforming Graduate Quality: The Strategic Power of Visionary Leadership in Islamic Secondary Education . Journal of Educational Management Research , [S. l.], v. 5, n. 4, p. 4403–4418, 2026. DOI: 10.61987/jemr.v5i4.2651. Disponível em: https://serambi.org/index.php/jemr/article/view/2651. Acesso em: 26 oct. 2026.