Towpek, H. “KONSEP KHIYAR MENURUT SYEIKH DAUD BIN ABDULLAH AL-FATANI DALAM FURU‘ AL-MASA’IL: The Concept of Khiyar from Syeikh Daud Bin Abdullah Al-Fatani Perspective in Furu‘ Al-Masa’il”. Jurnal Syariah, vol. 21, no. 1, Jan. 2013, pp. 43-62, http://jummec.um.edu.my/index.php/JS/article/view/22472.