Dedov, A. V. “Сhemical Melioration The Solving Problem Of Soil Degradation In Eastern Podillia”. Visnyk of V. N. Karazin Kharkiv National University Series «Еcоlogy», no. 1004, Mar. 2014, pp. 97-100, https://periodicals.karazin.ua/ecology/article/view/828.