Dang Son, Pham, Nguyen Van Hien, Nguyen Van Tien, Nguyen Manh Hung, Thai Hong Chuong, and Pham Xuan Toan. “Research to Develop Synthetic-Based Mud UNIMUD for Drilling Operations in Vietnam’s Continental Shelf”. Petrovietnam Journal 20 (February 27, 2017): 34 - 39. Accessed April 17, 2026. http://www.tapchidaukhi.com/index.php/TCDK/article/view/125.