Ngai, N.D., Thao, D.V., Thung, D.C., Thuy, L.T., Luong, P.V., Trang, C.T., Luu, V.T., Tien, D.D., Quan, N.V. and Chien, P.V. 2016. NEW DATA ON WATER ENVIRONMENT AND ORGANISM IN SUBMERGED CAVES AND SALTWATER LAKES IN HA LONG AND CAT BA AREAS. Vietnam Journal of Marine Science and Technology. 16, 2 (Jun. 2016), 167–175. DOI:https://doi.org/10.15625/1859-3097/16/2/7341.