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IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2014 > 9 > 4 > 151 - 158
IEEE Transactions on Learning Technologies > 2012 > 5 > 1 > 74 - 86
2011 Frontiers in Education Conference (FIE) > F4E-1 - F4E-2
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2014 > 9 > 4 > 151 - 158
IEEE Transactions on Learning Technologies > 2012 > 5 > 1 > 74 - 86
2011 Frontiers in Education Conference (FIE) > F4E-1 - F4E-2