H. Harun, S. Ahmad, and R. Markom, “THE PRINCIPLE OF KHIYĀR (OPTION) IN THE SALE OF GOODS FROM ISLAMIC PERSPECTIVE: PRINSIP KHIYĀR (PILIHAN) DALAM UNDANG-UNDANG BERKAITAN JUALAN BARANGAN MENURUT ISLAM”, alqanatirjournal, vol. 4, no. 1, pp. 13–23, Jul. 2018.