M, M Dahlan. KEPEMIMPINAN USMAN BIN AFFAN (Kebijakan dan Tantangan). Al-Hikmah, [S. l.], v. 21, n. 1, 2019. Disponível em: https://journal.uin-alauddin.ac.id/index.php/al_hikmah/article/view/11299. Acesso em: 9 sep. 2025.