Mayorga Farro , Esther Marilu, et al. “A Didactic Strategy Using Canva to Enhance the Learning of Diphthongs and Triphthongs in Fourth-Grade Students”. MENTOR Revista De investigación Educativa Y Deportiva , vol. 5, no. 14, May 2026, pp. 248-61, doi:10.56200/mentor.v5i14.12546.