Shaukat, Khalid. “New Moon’s Visibility and International Islamic Calendar for the American Region 1407H - 1421H: By Mohammad Ilyas. Penang, Malaysia: The International Islamic Calendar Programme, n.D”. American Journal of Islam and Society 12, no. 2 (July 1, 1995): 279–284. Accessed April 26, 2025. https://ajis.org/index.php/ajiss/article/view/2382.