Nguyen, Ky, and Lam Nguyen. “Using Multivariate Statistical Techniques to Assess Water Quality of Nhu Y River in Thua Thien Hue Province”. Science and Technology Development Journal 17, no. 2 (June 30, 2014): 50-60. Accessed July 22, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1302.