Riz-Vega, J. and Carrillo-Rodríguez, J.C. 2005. Selection of sorghum (Sorghum bicolor) and millet (Pennisetum americanum) cultivars by production efficiency and forage quality indexes. Agronomía Mesoamericana. 16, 2 (Sep. 2005), 153–160. DOI:https://doi.org/10.15517/am.v16i2.11868.