Callejas-Juárez, N., Rebollar-Rebollar, S., Guzmán-Soria, E. and Terrones-Cordero, A. (2020) “Economic risk in the production of Angus and Hereford beef in La Posta, Chihuahua, Mexico”, Agronomía Mesoamericana, 31(3), pp. 649–661. doi: 10.15517/am.v31i3.40289.