Parwanto, Wendi. “Visualization and Legalization of K.H. Ahmad Dahlan’s Hisab Method in Tafsir Al-Azhar by Hamka”. Al-Qisthu: Jurnal Kajian Ilmu-Ilmu Hukum 19, no. 2 (December 19, 2021): 153–164. Accessed May 3, 2025. https://ejournal.iainkerinci.ac.id/index.php/alqisthu/article/view/1124.