Aslam Rao, D. A. (2017). Preaching and Propagation in Islam. The Islamic Culture "As-Saqafat-Ul Islamia" الثقافة الإسلامية - Research Journal - Sheikh Zayed Islamic Centre, University of Karachi, (37), 183–194. Retrieved from http://www.theislamicculture.com/index.php/tis/article/view/430