Referencia bibliográfica
Ø https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhx1WK1ntJzGebdpqC7Mi6CHgfE5P7cm6sn0Kb3bG9Ti1qFkRmPNTUBOG0ZtO9WrXvb5Cp6hw-cRmhsbsDf_E3P9uJutW2-FwZLhb5hsOUKsS-UoyamVMIWl-uL_iU6wIVGdB1aXBUxxsA/s1600/Sin+t%C3%ADtulo2.png
Ø https://sites.google.com/site/fundamentosdeingendoftware/u1-fundamentos-ingenieria-de-software/1-3-etapas-del-desarrollo-software
Ø http://cecyu1ingenieriadesw.blogspot.com/2014/09/1_64.html
Ø https://www.4rsoluciones.com/blog/una-metodologia-desarrollo-software/