AZIZ, Muhammad. A Short Survey of Yemeni Sufism from Its Inception up to the Thirteenth Century. American Journal of Islam and Society, USA, v. 26, n. 1, p. 1–19, 2009. DOI: 10.35632/ajis.v26i1.372. Disponível em: https://ajis.org/index.php/ajiss/article/view/372. Acesso em: 29 apr. 2025.