S. Tapiro , Juan Pablo, and Sergio Andrés Quintero Londoño. “Introduction to the Dialectical, Materialistic and Historical Method, for the Critical Renewal of Social Work”. Eleuthera 11, no. - (July 1, 2014): 137–159. Accessed August 24, 2024. https://revistasojs.ucaldas.edu.co/index.php/eleuthera/article/view/4756.