Galán Chérrez, N.M., Maya Montalvan, J.P., Garcia Brito, O.E. y Montece Ochoa, S.K. 2018. The Use of Supplementary Materials for Teaching Children in EFL Classes. RECIMUNDO. 2, 4 (oct. 2018), 139–159. DOI:https://doi.org/10.26820/recimundo/2.(4).octubre.2018.139-159.