“The use of a comparative advantage coefficient in the research of special aspects of the international economic cooperation between Ukraine аnd Central European сountries: Austria, Switzerland And Germany” (2015) The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, (4 (1144, 2), pp. 81–84. Available at: https://periodicals.karazin.ua/irtb/article/view/4508 (Accessed: 25 October 2026).