“The Islamic Lunar Calendar As a Civilizational Imperative: 29 Rabi’ Al Awai - 1 Rabi’ Al Akhir 8-10 October 1991 Penang, Malaysia”. 1992. American Journal of Islam and Society 9 (4): 577-83. https://doi.org/10.35632/ajis.v9i4.2546.