By PAPANASTASIOU ELENA C.   in Research in Science & Technological Education

ISSN:1470-1138|21|2|229-241

Routledge Ltd‎(2003)‎

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By Papanastasiou Constantinos   Papanastasiou Elena C.   in Educational Research and Evaluation

ISSN:1380-3611|10|3|239-257

Routledge Ltd‎(2004)‎

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