The History of Muhammadiyah and Its Existence in Building Educational Institutions in Berau District. FENOMENA, [S. l.], v. 15, n. 1, p. 51–66, 2023. DOI: 10.21093/fj.v15i1.6502. Disponível em: https://journal.uinsi.ac.id/index.php/fenomena/article/view/6502. Acesso em: 1 aug. 2026.