RECURSOS
Paginas
https://www.youtube.com/watch?v=0tbcRlpbsz4
http://www.aprendeypiensa.com/2012/05/metodologia-paso-paso.html
http://www.comie.org.mx/documentos/rmie/v12/n032/pdf/N032T.pdf
http://www.bdigital.unal.edu.co/6690/1/noelestupinanestupinan.2012.pdf
http://www.ub.edu/geocrit/b3w-207.htm
https://www.youtube.com/watch?v=R0mInxOpeQ8