Cuong, Trinh Xuan, Nguyen Trung Hieu, Nguyen Thu Huyen, Nguyen Hoang Son, Ta Quang Minh, Nguyen Manh Hung, Le Hoai Nga, and Ngo Sy Tho. 2016. “Some Factors Influencing Gas Hydrate Formation and Preservation in the East Sea of Vietnam”. Petrovietnam Journal 4 (April), 24-34. https://tapchidaukhi.vn/index.php/TCDK/article/view/496.