00676naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\2406 20240521200609.2 20180517b2018####ek#y0engy0150####ca RU FORECASTING THE EFFICIENT LEVEL OF COSTS OF GRAIN PRODUCTION Conference article/thesis Ekaterinburg Ural State Agrarian University 2018 3 с. Conference article/thesis local Экономика. Экономические науки. 33 Общие вопросы сельского хозяйства. 68.01 grnti Hanova I. M. usau.editorum.ru