%V 11
%P 187-188
%D 2009
%N 2
%T Dynamic geometry software: the teacher's role in facilitating instrumental genesis
%L discovery1541156
%J Research in Mathematics Education
%A N Bretscher
%O This is an Accepted Manuscript of an article published by Taylor & Francis in the Research in Mathematics Education on 22 July 2009, available online: http://www.tandfonline.com/10.1080/14794800903063398.