E. M. Mayorga Farro, K. T. Amanta Fuentes, M. C. Jesús Alex, and L. del C. Bodero Arizaga, “A didactic strategy using Canva to enhance the learning of diphthongs and triphthongs in fourth-grade students”, Mentor, vol. 5, no. 14, pp. 248–261, May 2026.