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IEEE Transactions on Learning Technologies > 2016 > 9 > 3 > 217 - 230
Educational Technology Research and Development > 2012 > 60 > 5 > 723-751
IEEE EDUCON 2010 Conference > 743 - 747
IEEE Transactions on Learning Technologies > 2016 > 9 > 3 > 217 - 230
Educational Technology Research and Development > 2012 > 60 > 5 > 723-751
IEEE EDUCON 2010 Conference > 743 - 747