Dang, T.T., Van Hoi, T.T.T., Nguyen, A.D., Nguyen, T.K., Nguyen, H.C. and Phan , N.T. 2022. Climate strategies of oil and gas corporations and some recommendations for Petrovietnam. Petrovietnam Journal. 1, (Jan. 2022), 63 - 69. DOI:https://doi.org/10.47800/PVJ.2022.01-04.