KarasovО. О. 2017. “Colour Harmony of Land Cover As Intangible Environmental Resource (Vooremaa Landscape Protection Area, Estonia)”. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", no. 46 (November), 80-85. https://periodicals.karazin.ua/geoeco/article/view/9518.