UMPA, Aleem Morad. The Validity of Astronomical Calculation in Determining the Lunar Month. JÉ«»¨ÌÃÂÛ̳ Multidisciplinary É«»¨ÌÃÂÛ̳, Philippines, v. 32, n. 1, p. 174–204, 2018. DOI: . Disponível em: /index.php/jpair/article/view/582. Acesso em: 8 jun. 2025.