00537naa#a2200181#i#450# EN\INFRA-M\bibl\5060 20240928002759.6 2309-3633 20150317b2015####ek#y0engy0150####ca RUS RU Fundamental Approaches to a System of Professional Standards for the Oil and Gas Industry Journal article Moscow INFRA-M Academic Publishing LLC. 2015 4 с. Journal article local Ivanov P. Kashina M. naukaru.ru