Sopwan, Novi, Abu Dzarrin Alhamidi, Muhammad Muadz Zulikrom, and Muhammad Akbarul Humam. “Astronomical Analysis of Hilal Testimony Data: A Comprehensive Study of the Ministry of Religious Affairs of the Republic of Indonesia from 1962 – 2021”. AL - AFAQ : Jurnal Ilmu Falak dan Astronomi 6, no. 1 (June 19, 2024): 64–81. Accessed April 18, 2026. https://journal.uinmataram.ac.id/index.php/afaq/article/view/9810.