Сидоров, В., Н. Гайдей, and М. Сидоров. “Integration of Islamic Banks Intothe Former USSR, the EU and the USA”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, no. 4 (1144, 2, 1, pp. 69-74, https://periodicals.karazin.ua/irtb/article/view/4506.