ILYAS, M. World Conference on the International Islamic Calendar: The Astronomical Research Unit University of Science Malaysia, Penang, Malaysia Rabi- al Awwal 29 - Rabi al Akhir 1,1412 October 8-10,1992. American Journal of Islam and Society, USA, v. 9, n. 3, p. 432–434, 1992. DOI: 10.35632/ajis.v9i3.2587. Disponível em: https://www.ajis.org/index.php/ajiss/article/view/2587. Acesso em: 16 jul. 2024.