Bibliografia y Referencias

http://aulavirtual-eew.cvudes.edu.co/publico/lems/L.000.005.MG/librov2.html

http://www.redalyc.org:9081/articulo.oa?id=90460206

 https://www.goconqr.com/es-ES/p/17093334

 https://www.redalyc.org/articulo.oa?id=173514130007

      http://revistavirtual.ucn.edu.co/index.php/RevistaUCN/article/view/335

Video 1: https://www.youtube.com/watch?v=AU11srmAhhQ

Video 2:  https://www.youtube.com/watch?v=LASmiv8PeYM