Hùng, Nguyễn Việt, Thị Quyên Nguyễn, Hải Phong Nguyễn, Nguyen Van Hop, Hữu Trung Nguyễn, Quang Ánh Lê, and Phước Bình Đặng. “Establishment of Water Quality Index Based on Statistical Analysis: Application to Huong River, Thua Thien Hue Province”. Hue University Journal of Science: Natural Science 130, no. 1C (September 30, 2021): 51-62. Accessed November 15, 2024. http://222.255.146.83/index.php/hujos-ns/article/view/6346.