Estrada Molina, O., S. M. Blanco Hernández, and F. Ángel Ciudad Ricardo. “Instructional Exigencies in Instructional Design Task for the Development of Research Skills”. Enseñanza & Teaching: Interuniversity Journal of Didactic, vol. 33, no. 2, Dec. 2015, pp. 191-1, doi:10.14201/et2015332191211.