M. T. Acosta-Yela, J. P. Aguayo-Litardo, S. D. Ancajima-Mena, and J. C. Delgado-Ramírez, “Educational Resources Based on Gamification”, RTED, vol. 14, no. 1, pp. 28–35, Apr. 2022, doi: 10.37843/rted.v14i1.297.