VALDIVIA, R.; VIDAL, V. A.; SIERRA, M. Maize progenitor selection to obtain hybrid seeds by small farmers. Agronomía Mesoamericana, [S. l.], v. 11, n. 2, p. 85–89, 2006. DOI: 10.15517/am.v11i2.17317. Disponível em: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/17317. Acesso em: 26 apr. 2024.