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IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2014 > 9 > 1 > 33 - 39
IEEE Revista Iberoamericana de Tecnologias del Aprendizaje > 2014 > 9 > 1 > 28 - 32
IISA 2013 > 1 - 5
IEEE Transactions on Learning Technologies > 2013 > 6 > 1 > 85 - 96
IEEE Transactions on Learning Technologies > 2013 > 6 > 1 > 73 - 84
IEEE Intelligent Systems > 2013 > 28 > 2 > 64 - 73
IEEE Transactions on Learning Technologies > 2013 > 6 > 1 > 25 - 37