Жупаненко, Анастасія Валеріївна. “Investigation of Polyfunctional Segments of Non-Obvious Infrustructure of Recreation and Tourism Sphere in National Economy”. Technology audit and production reserves 1, no. 7(21) (January 29, 2015): 18–22. Accessed November 22, 2024. https://journals.uran.ua/tarp/article/view/38675.