00508naa#a2200169#i#450# EN\\bibl\10560 20250331040834.1 2073-0462 20151225b2015####ek#y0engy0150####ca RUS RU THEORETICAL QUESTIONS OF DEFINING THE ESSENCE OF GRAIN PRODUCTS SUBCOMPLEX OF AGROINDUSTRY Journal article Kazan Kazan state agrarian University 2015 4 с. Journal article local Amirova Elmira naukaru.ru