Rincon Flores, E. G., Mena, J., Ramírez Montoya, M. S., & Ramirez Velarde, R. (2020). The use of gamification in xMOOCs about energy: Effects and predictive models for participants’ learning. Australasian Journal of Educational Technology, 36(2), 43–59. https://doi.org/10.14742/ajet.4818