%0 Journal Article
%T Presentaci¨®n
%A Yolanda Castro Robles
%J Magis International Journal of Research in Education
%D 2011
%I Pontificia Universidad Javeriana
%X No aplica
%K No aplica
%U http://www.javeriana.edu.co/magis/numero-siete/pdfs/magis-4-7-presentacion.pdf