Thanh Giao N. Spatial Variations of Surface Water Quality in Hau Giang Province, Vietnam Using Multivariate Statistical Techniques: DOI: 10.32526/ennrj.18.4.2020.38. Environ. Nat. Resour. J. [Internet]. 2020 Sep. 10 [cited 2024 Apr. 24];18(4):400-1. Available from: https://ph02.tci-thaijo.org/index.php/ennrj/article/view/240801