Galindo, A. and Moreno, L. M. (2008) “L1 Argumentative Written Production in Bilingual and Monolingual Contexts in 6th, 7th and 8th Grades”, Íkala, Revista de Lenguaje y Cultura, 13(1), pp. 145–169. doi: 10.17533/udea.ikala.2695.