HM. ADIBUSSHOLEH; AHMAD TANZEH; AKHYAK AKHYAK. Collective Kiai Leadership Policies in Enhancing Madrasah Quality at Bahrul Ulum Islamic Boarding School Tambakberas Jombang . International Journal of Islamic Educational Research, [S. l.], v. 3, n. 1, p. 68–82, 2026. DOI: 10.61132/ijier.v3i1.508. Disponível em: https://international.aripafi.or.id/index.php/IJIER/article/view/508. Acesso em: 10 mar. 2026.