Ezzati, Morteza. “Behavior Model of the Producer Who Believes in Life After Death: A Mathematical and Geometric Approach”. International Journal of Islamic Economics and Governance 5, no. 2 (December 30, 2024): 23–62. Accessed May 22, 2025. https://www.ojs.mul.edu.pk/index.php/IJIEG/article/view/498.