%0 Journal Article %T EVALUATION OF THE EFFECTIVENESS OF THE IMPLEMENTATION OF QUALITY MANAGEMENT SYSTEMS IN THE OIL AND GAS INDUSTRY %A Druzhinin, M.. %A Kozlova, A.. %A Chesnokova, S.. %K productivity, effectiveness, quality management system, process approach, principles of management, economic efficiency %J Vestnik of Astrakhan State Technical University. Series: Economics %D 2017 %N %P 5 %I Astrakhan State Technical University