Sulaiman Shakib, Halimah, Mohammad Aizat Jamaludin, and Mohamad Nasrin Mohamad Nasir. 2026. “Islamic Ethical Principles As Internal Determinants of Sustainable Halal Integrity for Malaysia’s Online Food Delivery Industry”. Journal of Islamic, Social, Economics and Development 11 (86):842-57. https://academicinspired.com/jised/article/view/4594.