Chervanyov, I. G., and O. O. Karasiov. “The Intangible Natural Resources (INR) on Aspects of Natural Capital of New-Geography: Some Perspectives for Ukraine”. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology" 38, no. 1049 (November 3, 2015): 106-110. Accessed May 2, 2024. https://periodicals.karazin.ua/geoeco/article/view/7679.