Irina Vladimirovna Khorechko, Yuri Mikhailovich Rogatnev, Marina Nikolaevna Veselova, Tatyana Anatolievna Filippova, and Elena Vilevna Kotsur. “ENVIRONMENTAL AND ECONOMIC PROBLEMS RELATED TO RATIONALIZING THE USE OF AGRICULTURAL LANDS IN THE IRTYSH LAND”. GEOMATE Journal, vol. 17, no. 61, Feb. 2019, pp. 248-56, https://geomatejournal.com/geomate/article/view/2183.