Lan, T. D., N. T. M. Huyen, L. Q. Dung, and N. T. Thu. “SELECTING PROPOSITION OF METHODS TO STUDY ECONOMIC VALUATION OF MARINE ECOSYSTEMS IN VIETNAM”. Vietnam Journal of Marine Science and Technology, vol. 13, no. 4, Dec. 2014, pp. 317-23, doi:10.15625/1859-3097/13/4/3539.