• https://repositorio.xoc.uam.mx/jspui/handle/123456789/53970
• https://repositorio.xoc.uam.mx/jspui/handle/123456789/53971
• https://repositorio.xoc.uam.mx/jspui/handle/123456789/53972
• https://repositorio.xoc.uam.mx/jspui/handle/123456789/53973
• https://repositorio.xoc.uam.mx/jspui/handle/123456789/53974