nblib.library.kznblib.library.kz/elib/library.kz/Jurnal... · I Kazakh national agrarian...
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nblib.library.kznblib.library.kz/elib/library.kz/Jurnal... · I Kazakh national agrarian university, Almaty, Kazakhstan; 2Kazakh national pedagogical named after Abai, Almaty, Kazakhstan