al-Qawa'id al-fiqhiyah al-kubra wa atharuha fi al-mu'amalat al-maliyah - Kamil,'Umar'Abd Allah ([al-Qahirah]: Jami'at al-Azhar, 1999)
Thesis (Ph.D) - Jami'at al-Azhar, 1999
Keywords: University of al-Azhar -- Dissertations; Commercial law (Islamic law); Islamic law -- Criticism, interpretation, etc; Dissertations, Academic -- Egypt