WALKER, P. E. The identity of one of the Ismaili dā‛īs sent by the Fatimids to Ibn Ḥafṣūn. Al-Qanṭara, [S. l.], v. 21, n. 2, p. 387, 2000. DOI: 10.3989/alqantara.2000.v21.i2.433. Disponível em: https://al-qantara.revistas.csic.es/index.php/al-qantara/article/view/433. Acesso em: 27 abr. 2024.