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ISSN:1464-5289|27|14|1695-1721

Routledge Ltd‎(2005)‎

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By Löhner Simone   van Joolingen Wouter R.   Savelsbergh Elwin R.   in Instructional Science

ISSN:0020-4277|31|6|395-418

Springer Publishing Company ‎(2003)‎

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By Sins Patrick   Savelsbergh Elwin   van Joolingen Wouter   van Hout-Wolters Bernadette   in International Journal of Science Education

ISSN:1464-5289|31|9|1205-1229

Routledge Ltd‎(2009)‎

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