By Harskamp Egbert   Henry Daniel   in Educational Research and Evaluation

ISSN:1380-3611|15|5|429-433

Routledge Ltd‎(2009)‎

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By Jacobse Annemieke   Harskamp Egbert   in Educational Research and Evaluation

ISSN:1380-3611|15|5|447-463

Routledge Ltd‎(2009)‎

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By Ding Ning   Harskamp Egbert   in International Journal of Science Education

ISSN:1464-5289|33|6|839-863

Routledge Ltd‎(2011)‎

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By Suhre Cor   Jansen Ellen   Harskamp Egbert   in Higher Education

ISSN:0018-1560|54|2|207-226

Springer Publishing Company ‎(2007)‎

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By Harskamp Egbert   Ding Ning   Suhre Cor   in Educational Research

ISSN:1469-5847|50|4|307-318

Routledge Ltd‎(2008)‎

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By Pol Henk   Harskamp Egbert   Suhre Cor   in International Journal of Science Education

ISSN:1464-5289|27|4|451-469

Routledge Ltd‎(2005)‎

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By de Kock Willem D.   Harskamp Egbert G.   in Educational Research and Evaluation

ISSN:1380-3611|20|3|231-250

Routledge Ltd‎(2014)‎

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