%0 Journal Article
%A Đorđe Kadijević
%T Conceptual Tasks in Mathematics Education
%J The Teaching of Mathematics
%D 1999
%P 59 
%V II
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM2_1999_II_1_a3/
%G en
%F TM2_1999_II_1_a3