Mai Hoang Dam, Nguyen Tan Trieu, Vu Tuan Dung, Pham Thi Duyen and Nguyen Thanh Tuyen 2019. Biostratigraphic study and considerations for BH5.2 sequence in West Bach Ho trough, Cuu Long basin . Petrovietnam Journal. 1, (Jan. 2019), 41-49.