Lesik I, Lesik M, Tishechkina K, Ushkarenko I, Soloviov A, Lahoiskyi A. Analytical evaluation of the prospects for sustainable development of environmentally oriented tourism business. BTP [Internet]. 2021Sep.23 [cited 2024Nov.25];22(2):318-29. Available from: https://aviation.vgtu.lt/index.php/BTP/article/view/14326