Hicham Ouakil, Lakhal Tarik, Hicham El Ouazzani, & Abdelhamid Moustabchir. (2024). Understanding the Role of Income in Personal Happiness: A Comprehensive PSM Analysis in the United States. The Pakistan Development Review, 63(3), 399–416. Retrieved from https://thepdr.pk/index.php/pdr/article/view/3333