Trang, Cao Thi Thu, Nguyen Van Thao, Pham Thịi Kha, Le Van Nam, Nguyen Van Bach, and Nguyen Thi Thu Ha. 2019. “Assessment of Coastal Water Quality of Ninh Binh Province”. Vietnam Journal of Marine Science and Technology 19 (3):415-26. https://doi.org/10.15625/1859-3097/19/3/12645.