00612naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\20668 20250411142315.5 2308-0426 20180101b2018####ek#y0engy0150####ca RUS RU Improvement of operation of machine and tractor fleet Journal article Ekaterinburg Ural State Agrarian University 2018 0 с. Journal article local Общие вопросы науковедения. 12.01 grnti Hudayberganov E. M. usau.editorum.ru