سالم محمد الحاج. “Salim, Muhammad Al-Haj. ‘Al-Istiḥsān Al-Uṣūlī and Contemporary Fiqhī Ijtihad,’ Year 7, Issue 27 (Winter 1422 AH 2001 CE), Pp. 15-41”. Al-Fikr Al-islāmī Al-muʿāṣir (previously Islamiyat Al-Ma’rifah), vol. 7, no. 27, Jan. 2001, pp. 41-15, doi:10.35632/citj.v7i27.1651.