Machzumy. “The Effect of Latitude on Success Rate of Rukyat Hilal at Observatorium Lhoknga Aceh”. Syarah: Jurnal Hukum Islam & Ekonomi, vol. 8, no. 2, Feb. 2022, https://jurnal.iainlhokseumawe.ac.id/index.php/syarah/article/view/233.