ILYAS, M. Regional Seminar And Workshop On The International Islamic Calendar: Shawwal 21-24, 1408/June 7-10, 1988. American Journal of Islam and Society, USA, v. 5, n. 2, p. 293–298, 1988. DOI: 10.35632/ajis.v5i2.2723. Disponível em: https://www.ajis.org/index.php/ajiss/article/view/2723. Acesso em: 16 jul. 2024.