Urdaneta, Fatima, Maria Elena Peña, Gustavo Arteaga, and Angel Casanova. 2005. “SE 13. Operative Costs, Incomes Composition and Its Relation to the Management Level in Dual Purpose Cattle Systems”. Archivos Latinoamericanos De Producción Animal 5 (3). https://ojs.alpa.uy/index.php/ojs_files/article/view/399.