http://revistas.uis.edu.co/index.php/revistacyp/article/view/7418/7664

Bibliographic Details
Main Author:	Ana M. Serrano D.
Format:	Article
Language:	Spanish
Published:	Universidad Industrial de Santander 2013-12-01
Series:	Cambios y Permanencias
Online Access:	http://revistas.uis.edu.co/index.php/revistacyp/article/view/7418/7664

Internet