The development of the concepts of 'urf and 'adah in the Islamic legal tradition, 2010: ECIP data view (Ayman Shabana. b. Nov. 11,1973)

University of Tennessee, Knoxville, Dept. of Religious Studies, viewed May 17, 2010 c.v. (Ayman Shabana, Ph.D. in Islamic Studies, University of California, Los Angeles, 2009; Master of Arts in Islamic Studies, University of Leiden, the Netherlands, 2000; Bachelor in Islamic Studies, Al-Azhar University, Cairo, Egypt, 1996)