Ramírez Granados, P., Astorga Gättgens, A., Campos Bejarano, L. and Henríquez Henríquez, C. 2020. Morphometry of the upper basin of the Páez River, Costa Rica, and its relationship with infiltration. UNED Research Journal. 12, 2 (Oct. 2020), e3142. DOI:https://doi.org/10.22458/urj.v12i2.3142.