DAMANHURI, A.; MUKARRAM, A. Ideal Data to Determine Accurate Fajr Time. Jurnal Matematika MANTIK, [S. l.], v. 8, n. 1, p. 28–35, 2022. DOI: 10.15642/mantik.2022.8.1.28-35. Disponível em: https://jurnalsaintek.uinsby.ac.id/index.php/mantik/article/view/1364. Acesso em: 26 apr. 2024.