TY JOUR TI Stimulattion of inventive and innovative activities in oil and gas industry KW inventive and innovation activity KW inventions KW innovation proposals KW stimulation of creative activity KW levels of regulation of inventive activity JO Vestnik of Astrakhan State Technical University. Series: Economics AU Michurina, O.. AU Dubinina, N.. PY 2021 IS PB Astrakhan State Technical University