Chu Duc Quang, Nguyen Van Su, Nguyen Thi Tham, and Nguyen Hoai Chung. “Sequence Biostratigraphy and Depositional Environment of Tertiary Sediments in the Central and Southern Parts of Song Hong Basin”. Petrovietnam Journal 20 (February 28, 2018): 18-25. Accessed April 18, 2026. http://www.pvj.vn/index.php/TCDK/article/view/48.