D. . Wadood and D. K. . Rehman, “التدرج في دعوة النبي صلى الله عليه وسلم باعتبار الوسيلة: Gradation in the using of resources used by Muhammad(peace and blessings of Allah be upon him) for the calling of people to Islam”, ai, vol. 11, no. 02, pp. 80–88, Dec. 2022.