Gong, Hengyuan, Chunsheng Yu, Qi Jiang, Na Su, Xiao Zhao, and Zhaoqi Fan. 2022. “Improving Recovery Efficiency by CO2 Injection at Late Stage of Steam Assisted Gravity Drainage”. Advances in Geo-Energy Research 6 (4):276-85. https://doi.org/10.46690/ager.2022.04.02.