L. . Mugtabarovna Gaisina, R. B. . Shaykhislamov, L. M. . Semenova, S. A. . Yaminova, E. R. . Musina, and E. V. . Lopatina, “Impact of changes caused by the pandemic on the current state and development of oil and gas companies”, Nexo Scientific Journal, vol. 35, no. 01, pp. 111–119, Apr. 2022.