Pérez Landero, A. E. “Perception of Teachers and Masters Students from DAEA-UJAT, Regarding the Competences and Functions Which They Must Develop During the Formative Process in a Postgraduate Course of Study”. RIDE Revista Iberoamericana Para La Investigación Y El Desarrollo Educativo, Vol. 9, no. 17, Jan. 2019, pp. 891 -06, doi:10.23913/ride.v9i17.420.