“Konsep Halalan Tayyiban Bagi Produk Nutraseutikal: Halalan Tayyiban Concept for Nutraceutical Product”. Journal of Fatwa Management and Research 28, no. 1 (January 15, 2023): 69–84. Accessed September 21, 2025. https://jfatwa.usim.edu.my/index.php/jfatwa/article/view/460.