Sierra Piedrahita, A. M. and Echeverri Sucerquia, P. A. (2020) “ Governmental professional development initiatives for the implementation of language policies and curriculum guidelines: Secondary school teachers’ experiences, challenges and views”, Íkala, Revista de Lenguaje y Cultura, 25(1), pp. 137–152. doi: 10.17533/udea.ikala.v25n01a13.