Клименко, В., А. Брєжнєва, Ю. Котенко, Ю. Угрюмова, and Ю. Фролова. “Recreation and Tourism Potential of the Siversky Donets River Basin (within Kharkiv Region)”. Problems of Continuous Geographic Education and Cartography, no. 24, 1, pp. 42-47, https://periodicals.karazin.ua/pbgok/article/view/6405.