Shafiq, M. “THE MEANING OF RA’Y AND NATURE OF ITS USAGE IN ISLAMIC LAW (An Examination of Select Cases of the Legal Reasoning in the Period of ’Umar, the Second Caliph)”. Islamic Studies, Vol. 23, no. 01, Mar. 1984, pp. 21-32, http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5885.