MAS’UDI, Muhammad Maulana. Eksistensi Amal Usama Muhammadiyah. Al-Hikmah: Jurnal studi Agama-Agama, [S. l.], v. 6, n. 2, 2020. DOI: 10.30651/ah.v6i2.6457. Disponível em: https://journal.um-surabaya.ac.id/Ah/article/view/6457. Acesso em: 7 dec. 2025.