@book{ Solr-oai:portal.ucr.ac.cr:article40289, title = {Economic risk in the production of Angus and Hereford beef in La Posta, Chihuahua, Mexico}, author = {Callejas-Juárez, Nicolás}, publisher = {Universidad de Costa Rica}, year = {2020}, url = {https://revistas.ucr.ac.cr/index.php/agromeso/article/view/40289} }