By Geraedts Caspar   Boersma Kerst   in International Journal of Science Education

ISSN:1464-5289|28|8|843-870

Routledge Ltd‎(2006)‎

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By Geraedts Caspar   Boersma Kerst Th.   Eijkelhof Harrie   in Journal of Curriculum Studies

ISSN:1366-5839|38|3|307-325

Routledge Ltd‎(2006)‎

Access to resources Favorite 12.69108