Lavin-Mera, Pablo, Javier Torrente, Pablo Moreno-Ger, Jose Angel Vallejo Pinto, and Baltasar Fernández-Manjón. 2009. “Mobile Game Development for Multiple Devices in Education”. International Journal of Emerging Technologies in Learning (iJET) 4 (6):pp. 19-26. https://doi.org/10.3991/ijet.v4i6.910.