%0 Journal Article %T Presentation Presentaci¨®n %A Alejandra Gamboa Jim¨¦nez %A Maria Elena Camacho Villalobos %J Revista Electr¨®nica Educare %D 2012 %I Scientific Electronic Library Online %X - - %U http://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/4740