00517naa#a2200169#i#450# EN\\bibl\1282 20241112002349.2 2073-0462 20140113b2014####ek#y0engy0150####ca RUS RU Problems of economic development of small business in agrarian sector of economy of the Volgograd region Journal article Kazan Kazan state agrarian University 2014 4 с. Journal article local Lata Mariya naukaru.ru