By Janssen Fred   in International Journal of Science Education

ISSN:1464-5289|31|9|1269-1275

Routledge Ltd‎(2009)‎

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By Aegerter-Wilmsen Tinri   Janssen Fred   Hartog Rob   Bisseling Ton   in Journal of Science Education and Technology

ISSN:1059-0145|14|1|123-134

Springer Publishing Company ‎(2005)‎

Access to resources Favorite 8.215756

By Wieringa Nienke   Janssen Fred J. J. M.   Van Driel Jan H.   in International Journal of Science Education

ISSN:1464-5289|33|17|2437-2462

Routledge Ltd‎(2011)‎

Access to resources Favorite 6.572605