Ермекбаева, Б., И. Айдрус, Ж. Мухадил, and Т. Жомартулы. 2018. “The Role of Zakat in the Regulation of Social Equality”. Journal of Economic Research &Amp; Business Administration 126 (4):264-72. https://be.kaznu.kz/index.php/math/article/view/2047.