Martínez Mora, Nathalia, and Jorge Enrique Aponte. “Teaching about First Period of Violence: The Political and the Epistemic in the Practice of Social Science Educators”. Polisemia, vol. 7, no. 11, Mar. 2013, pp. 42-49, https://doi.org/10.26620/uniminuto.polisemia.7.11.2011.42-49.