%0 Journal Article
%A Martti E. Pesonen
%A Lenni Haapasalo
%A Timo Ehmke
%T Critical look at dynamic sketches when learning mathematics
%J The Teaching of Mathematics
%D 2006
%P 19 
%V IX
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM2_2006_IX_2_a1/
%G en
%F TM2_2006_IX_2_a1