PORTADA

                                                                        Gloria Patricia Zuluaga Quintero

              
           
                           Curso
        

                                                 

                               Realidades y Tendencias

                      
                          Profesora

                            Ximena Granados

                            
                              Universidad Pontificia Bolivariana

                            
                 
                       Medellín

                                                                                  
                                                                                      2011