00521naa#a2200157#i#450# EN\\bibl\84735 20241108135544.5 2221-3260 20220131b2022####ek#y0engy0150####ca RU Energy conservation and efficiency as indicators for achieving energy security in the country Journal article Yaroslavl Yaroslavl State Technical University 2022 8 с. Journal article local Timonina Viktoriya Ivanovna theoreticaleconomy.ru