Tatyana Makarenya, Polina Nikashina, Ahmed Ibrahim Obaidi (2020). CRISIS OF THE WORLD-S OIL EXPORTING COMPANIES BECAUSE OF THE CORONAVIRUS COVID-19. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020,, 11-16. https://doi.org/10.5593/sgem2020v/1.3/s01.02