RAHMI, S. Headmaster’s Leadership in Solving Problems at Islamic Elementary School (SDI) Hikmatul Fadhillah Medan. Jurnal Pendidikan Islam, [S. l.], v. 7, n. 2, p. 267–280, 2019. DOI: 10.14421/jpi.2018.72.267-280. Disponível em: https://ejournal.uin-suka.ac.id/tarbiyah/JPI/article/view/2174. Acesso em: 1 feb. 2025.