UMAÑA V., G. Characterization of some Golfo Dulce drainage basin rivers (Costa Rica). Revista de Biología Tropical, [S. l.], v. 46, n. S6, p. 125–135, 1998. Disponível em: https://revistas.ucr.ac.cr/index.php/rbt/article/view/29651. Acesso em: 16 aug. 2024.