Thanh Giao, N. (2020) “Spatial Variations of Surface Water Quality in Hau Giang Province, Vietnam Using Multivariate Statistical Techniques: DOI: 10.32526/ennrj.18.4.2020.38”, Environment and Natural Resources Journal. Nakhon Pathom, Thailand, 18(4), pp. 400–410. available at: https://ph02.tci-thaijo.org/index.php/ennrj/article/view/240801 (accessed: 29 August 2026).