Echeverri-Sucerquia, P. A., N. Arias, and I. C. Gómez. “Critical Pedagogy in English Teacher Professional Development: The Experience of a Study Group”. Íkala, Revista De Lenguaje Y Cultura, vol. 19, no. 2, May 2015, pp. 167-81, doi:10.17533/udea.ikala.v19n2a04.