Espinosa, A., López, M.A. and Tadeo, M. 2016. Agroeeonomic analysis of the use of advaneed generations of improved eorn seed in high valleys of Mexico. Agronomía Mesoamericana. 9, 1 (May 2016), 53–58. DOI:https://doi.org/10.15517/am.v9i1.24629.