Anthropic impact of the Barva aquifer (Heredia, Costa Rica) with emphasis on land use (1992-2006). UNED Res. J. [Internet]. 2011 Jun. 1 [cited 2026 Sep. 22];3(1):71-80. Available from: https://revistas.uned.ac.cr/index.php/cuadernos/article/view/208