Nguyen, K. and Nguyen, L. 2014. Using multivariate statistical techniques to assess water quality of Nhu Y river in Thua Thien Hue province. Science and Technology Development Journal. 17, 2 (Jun. 2014), 50-60. DOI:https://doi.org/https://doi.org/10.32508/stdj.v17i2.1302.