Ibrahim Ibn al-Mahdi’s Rebellion Against Caliph al-Ma’mun. Journal of the College of Basic Education, [S. l.], v. 32, n. 138, p. 642–653, 2026. DOI: 10.35950/cbej.v32i138.16002. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/16002.. Acesso em: 1 nov. 2026.