%0 Journal Article %T Features of Quality Management Systems at of Oil-and-Gas industry Enterprises %A Tyurikova, V.. %A Baurina, S.B. %K oil-and-gas, petrochemical and gas industry, standard, normative documents, certification, requirements. %J Scientific Research and Development. Economics of the Firm %D 2014 %N 3 %P 4 %I INFRA-M Academic Publishing LLC.