السامرائي إبراهيم. “Samarra’i, Ibrahim. ‘Abū Ḥayyān Al-Tawḥīdī’s Al-Ishārāt Al-Ilāhiyyah (The Divine Signs),’ Year 5, Issue 21 (Summer 1421 AH 2000 CE), Pp. 85-117. ”. Al-Fikr Al-islāmī Al-muʿāṣir (previously Islamiyat Al-Ma’rifah), vol. 6, no. 21, July 2000, pp. 117-85, doi:10.35632/citj.v6i21.1753.