Tan, Mai Thanh, Dinh Van Thuan, Nguyen Dich Dy, Nguyen Van Tao, Le Duc Luong, Trinh Thi Thanh Ha, and Ngo Thi Dao. “Environments of Upper Miocene Sediments in the Hanoi Depression Interpreted from Grain-Size Parameters”. Vietnam Journal of Earth Sciences 41, no. 2 (March 15, 2019): 182–199. Accessed June 24, 2024. https://vjs.ac.vn/index.php/jse/article/view/13798.