Rezunenko, V. O., Y. F. Kobchenko, and O. Y. Kobchenko. “Method of Mathematical Modeling in the Meliorative Geography and Recreation”. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", no. 47, Feb. 2018, pp. 145-9, https://periodicals.karazin.ua/geoeco/article/view/10341.