@article{Bulatenko2021assessment, author={Bulatenko, M.A. and Grishina, V.O. and Grishina, N.O.}, title={Assessment of the impact of the Covid-19 pandemic on the economic security of Russian oil companies based on IFRS reporting}, journal={Russian Journal of Management}, publisher={Publishing Center RIOR}, year={2021}, pages={21-25}, volume={9}, issue={2}, }