RMAN, N. How to use an educational sand-box model to enhance the knowledge groundwater dynamics. Geologija, [S. l.], v. 56, n. 2, p. 257–264, 2013. DOI: 10.5474/geologija.2013.017. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/1275. Acesso em: 3 feb. 2023.