Turayev Alijon Akmal ugli, and Normukhammadov Diyorbek. “Progressive Tax Systems Reduce Inequality More Than Flat Tax Models”. American Journal of Business Practice 2, no. 5 (May 22, 2025): 53–58. Accessed July 26, 2025. https://semantjournals.org/index.php/AJBP/article/view/1756.