00671naa#a2200193#i#450# EN\\bibl\50202 20240503075434.5 2686-9896 20220516b2022####ek#y0engy0150####ca RU ENERGY COSTS IN A LARGE PETROCHEMICAL COMPANY Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2022 1 с. Journal article local Математика. 51 Физика. 53 Bal'chugov Aleksey Valer'evich Badenikov Artem Viktorovich Enhbat R. angtu.editorum.ru