%0 Journal Article
%A Mesa, Vilma
%T Solving Problems on Functions: Role of the Graphic Calculator.
%J PNA
%D 2008
%P 109-135
%V 2
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PNA_2008_2008_1_a7/
%G en
%F PNA_2008_2008_1_a7