00493naa#a2200181#i#450# EN\\bibl\77364 20260222105318.7 1819-4036 20121125b2012####ek#y0engy0150####ca RUS RU THE FORMATION OF THE "NEED "CATEGORY Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2012 3 с. Journal article local Petrov L I Petrova S I vestnik.kgau.ru