Istianah, Lisa. “Penentuan Awal Puasa Ramadhan Dalam Perspektif Hadis”. Jurnal Riset Agama 1, no. 1 (February 18, 2022): 167–176. Accessed January 12, 2026. https://www.journal.uinsgd.ac.id/index.php/jra/article/view/14365.