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IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2013 > 8 > 4 > 153 - 162
IEEE Transactions on Professional Communication > 2012 > 55 > 1 > 55 - 84
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2013 > 8 > 4 > 153 - 162
IEEE Transactions on Professional Communication > 2012 > 55 > 1 > 55 - 84