Villero Pacheco, M.F. and Cordon Guayambuco, G.A. 2019. MATERIALIST DIALECTICS, POSITIVISM AND PHENOMENOLOGY: THREE PHILOSOPHICAL CURRENTS AND EDUCATIONAL RESEARCH: FROM THE TRANSFORMING CRITICAL THINKING, THE SUBJECTIVES AND THE DEFENSE OF THE SCIENTIFIC METHOD. Societas. 21, 2 (Jul. 2019), 40–60.