Trang, C. T. T., N. V. Thao, P. T. Kha, L. V. Nam, N. V. Bach, and N. T. T. Ha. “Assessment of Coastal Water Quality of Ninh Binh Province”. Vietnam Journal of Marine Science and Technology, vol. 19, no. 3, June 2019, pp. 415-26, doi:10.15625/1859-3097/19/3/12645.