Herazo Rivera, José David, Sonia Jerez Rodríguez, and Danilza Lorduy Arellano. 2012. “Opportunity and Incentive for Becoming Bilingual in Colombia: Implications for Programa Nacional De Bilingüismo”. Íkala, Revista De Lenguaje Y Cultura 17 (2):199-213. https://doi.org/10.17533/udea.ikala.11093.