Estay Sepúlveda, Juan Guillermo, and Mario Lagomarsino Montoya. “The Proposals That Perhaps Karl Popper Had Propelled Facing the Enemies the Open Society of Nowadays: For the XXI Century, the Reformism”. Revista CS, no. 20, Dec. 2016, pp. 75-92, https://doi.org/10.18046/recs.i20.2155.