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\bibitem{3065} Sergio Alloza, Flavio Escribano, Sergi Delgado, Ciprian Corneanu, \& Sergio Escalera. (2017). XBadges. Identifying and training soft skills with  commercial video games Improving persistence, risk taking \& spatial reasoning with  commercial video games and facial and emotional recognition system. In \textit{4th Congreso de la Sociedad Espa{\~n}ola para las Ciencias del Videojuego} (Vol. 1957, pp. 13--28).

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