00534naa#a2200169#i#450# EN\\bibl\1286 20260223213750.1 2073-0462 20140113b2014####ek#y0engy0150####ca RUS RU Directions to increase the competitiveness and efficiency of agricultural enterprise structures of Krasnodar region Journal article Kazan Kazan state agrarian University 2014 6 с. Journal article local Khalyapin Aleksey naukaru.ru