Autor: Alfonso Villalobos, Giovanni León Sanabria, Carlos Araya Cuadra
Link: http://revistas.urosario.edu.co/index.php/apl/article/view/1228/1096
Autor: Alfonso Villalobos, Giovanni León Sanabria, Carlos Araya Cuadra
Link: http://revistas.urosario.edu.co/index.php/apl/article/view/1228/1096