@article{Kamdina2022economic, author={Kamdina, L.. and Simchenko, O.L.}, title={Economic Efficiency Assessment of Oil Producers during the Transition to Added Income Tax}, journal={Bulletin of Kemerovo State University. Series: Political, Sociological and Economic sciences}, publisher={Kemerovo State University}, year={2022}, pages={529-535}, volume={7}, issue={4}, }