HOANG, N. V.; ROI, N. D. Finite element method in estimation of lag time of rainfall recharge to Holocene groundwater aquifer in Hung Yen province. Vietnam Journal of Earth Sciences, [S. l.], v. 37, n. 4, p. 355–362, 2015. DOI: 10.15625/0866-7187/37/4/8300. Disponível em: https://vjs.ac.vn/index.php/jse/article/view/8300. Acesso em: 5 may. 2024.