Ahmad Nizar, Nina Naquiah, and Siti Aimi Sarah Zainal Abidin. “Online Food Delivery Services: Make or Break the Halal Supply Chain?”. Journal of Food and Pharmaceutical Sciences 9, no. 1 (March 18, 2021): 384-394. Accessed May 4, 2024. https://jurnal.ugm.ac.id/v3/JFPS/article/view/1149.