Castillo-Cuesta, L. ., and A. . Quinonez-Beltran. “Using Digital Comics for Enhancing EFL Vocabulary Learning During the COVID-19 Pandemic”. International Journal of Learning, Teaching and Educational Research, vol. 21, no. 5, May 2022, pp. 478-91, http://www.ijlter.myres.net/index.php/ijlter/article/view/1336.