Guapi Guamán, Raúl, Diego Masaquiza Moposita, y Lino Curbelo Rodríguez. 2017. «Characterization of Mountainous Production Systems in Quimiag Parrish, Chimborazo Province, Ecuado»r. Revista De Producción Animal 29 (2), 14-24. https://revistas.reduc.edu.cu/index.php/rpa/article/view/280.