1. M. Finley, J. Krane, and K. B. Kenneth Medlock III, Price War and Pandemic: The Oil Market Reaction, Apr. 1 (2020). https://www.bakerinstitute.org/media/files/b24814f4/ces-pub-oilpricecrash-040620.pdf.
2. 15-th OPEC and non-OPEC Ministers Meeting (ONOMM), Production Adjustments Table, Apr. 1 (2021). https://www.opec.org/opec-web/static_files_project/ media/downloads/15-th%20ONOMM%20-%20Production%20adjustments%20table.pdf.
3. International Energy Agency, Oil 2020, Mar. 1 (2020). https://www.iea.org/reports/oil-2020.
4. Ghaddar Ahmad, OPEC+ oil output cut compliance at 101% in November -sources (2020). https://www.reuters.com/article/oil-opec-int-idUSKBN2941DP.
5. A. S. Pyatin, “Putin personally met with Sechin,” Forbes May 12 (2020). https://www.forbes.ru/newsroom/obshchestvo/400355-putin-lichno-vstretilsya-s-sechinym?utm_source=yxnews&utm_medium=desktop.