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ISSN:1470-1170|48|3|325-341

Routledge Ltd‎(2004)‎

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By Olsen Rolf Vegar   Lie Svein   in International Journal of Science Education

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By Olsen Rolf Vegar   Prenzel Manfred   Martin Ron   in International Journal of Science Education

ISSN:1464-5289|33|1|1-6

Routledge Ltd‎(2011)‎

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