Abd Malek, Zaitun. “Halal Knowledge, Religiosity and Celebrity Worship in Determining Muslim Consumers Purchase Intention on Halal Cosmetics: A Conceptual Model”. Selangor Business Review 5, no. 2 (December 31, 2020): 15–29. Accessed June 28, 2025. https://sbr.journals.unisel.edu.my/index.php/sbr/article/view/83.