Kasim, A. Jusran, Ahmad Abbas, Nurul Adhha, and Iin Mutmainnah. “Determination of Hijri Calendar in Islamic History and Its Criteria in Southeast Asia”. Journal of Al-Tamaddun 19, no. 1 (June 30, 2024): 247–259. Accessed December 13, 2024. https://jupidi.um.edu.my/index.php/JAT/article/view/45242.