Mustaffa, Khairul Anuwar, Joni Tamkin Borhan, and Mohd Roslan Mohd Nor. 2017. “Manual Prosedur Pensijilan Halal Malaysia Sebagai Suatu Aplikasi Memenuhi Keperluan Konsep Halalan Tayyiban: Suatu Analisis”. Online Journal of Research in Islamic Studies 4 (1):1-16. http://ijie.um.edu.my/index.php/RIS/article/view/9974.