YAQIN, A. A. Peluang dan Tantangan Kalender Islam Internasional Mohammad Ilyas. Azimuth: Journal of Islamic Astronomy, [S. l.], v. 1, n. 1, p. 32–51, 2020. DOI: 10.15642/azimuth.2020.1.1.32-51. Disponível em: https://jurnalfsh.uinsby.ac.id/index.php/azimuth/article/view/712. Acesso em: 29 mar. 2024.