# Search results

Computers & Education > 2012 > 59 > 2 > 619-627

Mathematics Education Research Journal > 2011 > 23 > 4 > 455-477

Journal of Mathematical Behavior > 2004 > 23 > 4 > 389-404

Educational Studies in Mathematics > 2000 > 41 > 2 > 143-163

Technology, Knowledge and Learning > 1999 > 4 > 1 > 51-81