%0 Journal Article
%T Libros
%A Carlos Torres Berr¨ªos
%J Simbiosis : Revista Electr¨®nica de Ciencias de la Informaci¨®n
%D 2012
%I University of Puerto Rico
%K rese as
%K m¨¦todos de investigaci¨®n
%K research methods
%U http://ojs.uprrp.edu/index.php/simbiosis/article/view/236