MUHAMMAD SHAHID QURESHI. A NEW CRITERION FOR EARLIEST VISIBILITY OF NEW LUNAR CRESCENT. Sindh University Research Journal - SURJ (Science Series), [S. l.], v. 42, n. 1, 2010. Disponível em: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/6059. Acesso em: 23 apr. 2026.