Abdullah, F., and E.-S. H. Mohamed Ḥussein. “The Importance of Islamic Da‘wah Methods and Approaches to Diversification in the Light of Al-Sharicah Purposes”. AL-ITQAN: JOURNAL OF ISLAMIC SCIENCES AND COMPARATIVE STUDIES, vol. 2, no. 1, Nov. 2018, pp. 117-30, https://journals.iium.edu.my/al-itqan/index.php/al-itqan/article/view/87.