Hải, Nguyễn Trung, Nguyễn Việt Hùng, and Nguyễn Văn Hợp. “Eutrophication Concern: A Case Study on Several Lakes in Dong Ha City”. Hue University Journal of Science: Natural Science 128, no. 1C (November 11, 2019): 63-68. Accessed May 6, 2024. https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/5450.