Ahmad, E. “Summary of the Proceedings of the Fourth International Economics Seminar: World Bank, Washington, DC 13-14 Dhu Al Qa’dah 1412/ 16-17 May 1992”. American Journal of Islam and Society, vol. 9, no. 4, Jan. 1992, pp. 584-6, doi:10.35632/ajis.v9i4.2547.