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IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2015 > 10 > 1 > 11 - 16
2014 IEEE 23rd International WETICE Conference > 423 - 428
IEEE Intelligent Systems > 2012 > 27 > 3 > 33 - 39
IEEE Intelligent Systems > 2012 > 27 > 3 > 11 - 15