Luong, Hoang Xuan, Pham Tien Dat, Nguyen Thai Chung, and Le Tan. “STUDY OF WORKING OF PIPE IN CORAL FOUNDATION”. Vietnam Journal of Marine Science and Technology 7, no. 1 (March 29, 2007). Accessed October 19, 2021. https://vjs.ac.vn/index.php/jmst/article/view/6322.