Mattson, Ingrid. “Islamic Law and Religion: 7 - 8 Rabi’ Al Akhir 1414 24 - 25 September 1993 Yale University, New Haven, Connecticut”. American Journal of Islam and Society, vol. 10, no. 4, Jan. 1993, pp. 575-8, doi:10.35632/ajis.v10i4.2486.