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IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2017 > 12 > 3 > 116 - 123
IEEE Transactions on Education > 2016 > 59 > 4 > 248 - 254
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2017 > 12 > 3 > 116 - 123
IEEE Transactions on Education > 2016 > 59 > 4 > 248 - 254