Khamis, Mohd Rahim, and Mohd Faizal bin Kamarudin. “The Economic Theory Assumption and Utility Maximization Model: The Perspective of Zakat Compliance Behavior”. Information Management and Business Review 15, no. 2(I)SI (June 11, 2023): 17-34. Accessed July 3, 2024. https://ojs.amhinternational.com/index.php/imbr/article/view/3415.