Watni Marpaung, Fika Andriana, Asmuni,. “AKURASI HISAB AWAL BULAN QAMARIYAH DALAM KITAB KHULASHAH AL-WAFIYAH & EPHEMERIS”. Jurisprudensi : Jurnal Ilmu Syariah, Perundangan-Undangan dan Ekonomi Islam 9, no. 1 (May 3, 2018): 70-105. Accessed October 16, 2021. https://journal.iainlangsa.ac.id/index.php/jurisprudensi/article/view/417.