HOANG, Nguyen Van; ROI, Nguyen Duc. Finite element method in estimation of lag time of rainfall recharge to Holocene groundwater aquifer in Hung Yen province. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 37, n. 4, p. 355–362, 2015. DOI: 10.15625/0866-7187/37/4/8300. Disponível em: http://vjes.vast.vn/jse/article/view/8300. Acesso em: 8 nov. 2025.