2018. Suleimenova N.Sh., Filipova M.V., Zharaspayeva S.M. Environmental aspects of agriculture chemicalization with resource-saving technology of cultivation of soy: Kazakh National Agrarian university, Kazakhstan, Almaty 2Angel Kanchev University of Ruse. Ruse, Bulgaria. ҚазҰУ хабаршысы. Экология сериясы. 47, 2 (Nov. 2018), 44–55.