'Aqd al-bay' al-iliktruni fi zilli al-tijarah al-iliktruniyah ibramihi, atharihi, ithbatihi - Hamarishah, Riyad Walid (al-Qaherah : Jami'ah al-Duwal al-'Arabiyah, 2004)
Thesis (Ph.D.) - Jami'ah al-Duwal al-'Arabiyah, 2004
Keywords: Electronic commerce -- Religious aspects -- Islam; Sales (Islamic law)