"Breve historia de la Revolucion Mexicana"

https://ia801507.us.archive.org/12/items/SalmeronPedroAvilaFelipe.BreveHistoriaDeLaRevolucionMexicana2017/Salmeron,%20Pedro%3B%20Avila,%20Felipe.%20-%20Breve%20historia%20de%20la%20Revolucion%20Mexicana%20[2017].pdf