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IEEE Transactions on Learning Technologies > 2015 > 8 > 1 > 55 - 68
IEEE Pervasive Computing > 2015 > 14 > 1 > 34 - 43
IEEE Pervasive Computing > 2013 > 12 > 3 > 14 - 17
2010 Sixth International Conference on Natural Computation > 1 > 248 - 251
2010 International Conference on Electronics and Information Engineering > 2 > V2-305 - V2-308
IEEE EDUCON 2010 Conference > 575 - 583