M. J. Parra Pérez, “‘Utārid b. Muhammad al-Hāsib’s ‘Sirr al-asrār’ and his Aphorisms”, Anaquel estud. árabes, vol. 20, pp. 165–186, Sep. 2009, Accessed: Jul. 23, 2026. Available: https://revistas.ucm.es/index.php/ANQE/article/view/ANQE0909110165A