REFERENCIAS
https://historiasocial1.wixsite.com/2018/material-de-clase
https://docs.wixstatic.com/ugd/dbf65f_0bd3bcc60bd749bb89ed4bfe1a027cb7.pdf
https://docs.wixstatic.com/ugd/dbf65f_e159d4075796410c800df2d877e9686f.pptx?dn=6.%20HISTORIA%20DE%20LA%20IMAGEN.pptx