ESPINOSA-CALDERÓN, A.; SIERRA-MACÍAS, M.; GÓMEZ-MONTIEL, N. Seed technology and production of improved maize varieties from INIFAP without PRONASE. Agronomía Mesoamericana, [S. l.], v. 14, n. 1, p. 117–121, 2003. DOI: 10.15517/am.v14i1.11998. Disponível em: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/11998. Acesso em: 4 may. 2024.