Ali, Shelan Muhammed, and Najat Muhammed Faraj. “A Social Stratification and Its Impact on the Formation of Social Classes in Society”. Journal of University of Human Development 11, no. 2 (April 29, 2025): 78–87. Accessed May 9, 2025. https://journals.uhd.edu.iq/index.php/juhd/article/view/1415.