CALDERÓN, J.; ALÁN, E.; BARRANTES, U. Structure, size and production of weed seeds in the humid tropic. Agronomía Mesoamericana, [S. l.], v. 11, n. 1, p. 31–39, 2006. DOI: 10.15517/am.v11i1.17337. Disponível em: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/17337. Acesso em: 19 apr. 2024.