Md Ariffin, Mohd Farhan, Khadher Ahmad, and Sa’adan Man. 2018. “Instrumen Analisis Hadith Sebagai Alat Pengukuran Isu Keselamatan Makanan Dalam PKS Sektor Perkhidmatan Makanan: Hadith Analysis Tool As Measurement Instrument for Food Safety Issues in the Food Service Sector SMEs”. Online Journal of Research in Islamic Studies 5 (2):81-99. https://ejournal.um.edu.my/index.php/RIS/article/view/33617.