MONTAÑO- BARRETO, Carlos Eduardo. Perspectives of social movements and the centrality of the contradiction of classes. Mundo FESC Journal, [S. l.], v. 11, n. S1, p. 224–237, 2021. Disponível em: https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/897. Acesso em: 19 may. 2024.