00477naa#a2200169#i#450# EN\NORMA\bibl\10315 20241222180333.7 1991-3222 20160207b2016####ek#y0engy0150####ca RUS RU FEATURES OF ECONOMIC (BUSINESS) ACTIVITY IN THE ENERGY SECTOR Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Salieva Roza naukaru.ru