SonkoS. Р., and N. V. Maksymenko. 2014. “Evolution Of Tillage As The Main Factor Agrolandscapes Planning (Environmental Hopes And Disappointments)”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 1004 (March), 7-22. https://periodicals.karazin.ua/ecology/article/view/817.