Nguyen Van H, Nguyen TH, Trần Minh Sơn, Phan Thành Dân. Application of Mann - Kendall nonparametric testing method and Sen trend to assess Mekong delta saltwater intrusion fluctuations. JMST [Internet]. 2022 Dec. 20 [cited 2024 Nov. 24];(VITTEP):37-43. Available from: https://en.jmst.info/index.php/jmst/article/view/709