Al-azzawi, A. A. H., Z. I. Abdulbyarovich, T. B. Asrorovich, and F. M. Ibyatov. “Methods of Attracting Financial Resources of Islamic Financial Institutions to Russian National Economics”. International Journal of Advanced Science and Technology, Vol. 28, no. 8, Oct. 2019, pp. 572 -76, http://sersc.org/journals/index.php/IJAST/article/view/649.