Mardin Samir Ali. “Analyzing the Distribution of Family Income in Erbil’s Urban Population Using Pareto Distribution and Its Properties”. QALAAI ZANIST JOURNAL 8, no. 1 (March 30, 2023): 1247–1262. Accessed May 20, 2024. https://journal.lfu.edu.krd/ojs/index.php/qzj/article/view/1183.