al-Ra'y wa atharuhu fi al-fiqh al-Islami - Darar Bashir, Idris Juma'ah (al-Qahirah : Dar al-Ihya' al-Kutub al-'Arabiyah, 1968)
Thesis (Ph.D.) - University Of Umm Dhurman al-Islamiyah, [1968]
Keywords: Judicial opinions (Islamic law)