INTAN, Salmah. KEKHALIFAAN UMAR IBN KHATTAB (13-23 H/ 634-644 M). Rihlah: Jurnal Sejarah dan Kebudayaan, [S. l.], v. 5, n. 2, p. 137–150, 2018. DOI: 10.24252/rihlah.v5i2.4167. Disponível em: https://journal.uin-alauddin.ac.id/index.php/rihlah/article/view/4167. Acesso em: 7 jun. 2025.