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International Journal of Educational Development > 2014 > 39 > Complete > 40-48
International Journal of Educational Development > 2012 > 32 > 5 > 632-642
Scientometrics > 2012 > 90 > 1 > 219-230
International Journal of Educational Development > 2014 > 39 > Complete > 40-48
International Journal of Educational Development > 2012 > 32 > 5 > 632-642
Scientometrics > 2012 > 90 > 1 > 219-230