Toan, Du Van, Le Duc Dat, Phan Nguyen Hai Ha, Tran Thi Tu Anh, Le Tuan Anh, Do Duc Tien, Le Vu Khanh, Dao Huu Hieu, and Trinh Thi Thuong Thuong. 2018. “PSSA- INTERNATIONAL SOLUTION TO PROTECT THE BIODIVERSITY IN HA LONG BAY - CAT BA MARINE AREA”. Vietnam Journal of Marine Science and Technology 18 (3):304-11.