Hernández Salgado, José Hilario, et al. “Economic Indicators in the Use of Corn Seed of Normal and Protein Quality (QPM) in Veracruz”. Revista Mexicana De Ciencias Agrícolas, vol. 9, no. 4, June 2018, pp. 865-70, https://doi.org/10.29312/remexca.v9i4.1402.