By Doorman Michiel   in ZDM

ISSN:1863-9690|39|5-6|405-418

Springer Publishing Company ‎(2007)‎

Access to resources Favorite 22.246994

By Doorman Michiel   in International Journal of Science Education

ISSN:1464-5289|29|10|1309-1313

Routledge Ltd‎(2007)‎

Access to resources Favorite 22.246994

By Maaß Katja   Doorman Michiel   in ZDM

ISSN:1863-9690|45|6|887-899

Springer Publishing Company ‎(2013)‎

Access to resources Favorite 17.797596

By Gravemeijer Koeno   Doorman Michiel   in Educational Studies in Mathematics

ISSN:0013-1954|39|1-3|111-129

Springer Publishing Company ‎(1999)‎

Access to resources Favorite 17.797596

By Drijvers Paul   Doorman Michiel   Boon Peter   Reed Helen   Gravemeijer Koeno   in Educational Studies in Mathematics

ISSN:0013-1954|75|2|213-234

Springer Publishing Company ‎(2010)‎

Access to resources Favorite 11.123497