00494naa#a2200181#i#450# EN\\bibl\4857 20241224190729.2 2073-0462 20141225b2014####ek#y0engy0150####ca RUS RU EFFICIENCY AND POTENCY INDEX OF ENERGY USAGE Journal article Kazan Kazan state agrarian University 2014 6 с. Journal article local Yakupova Nailya Andreev Aleksey naukaru.ru