BUYUKKARA, M. Al-Ma’mūn’s Choice of ’Alī al-Riḍā as His Heir . Islamic Studies, [S. l.], v. 41, n. 3, p. 445–466, 2002. DOI: 10.52541/isiri.v41i3.4916. Disponível em: http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/4916. Acesso em: 6 dec. 2025.