Dialectical method and the role of unions: contradictions between the political struggle and the economic struggle. Revista de Estudios Teóricos y Epistemológicos en Política Educativa, [S. l.], v. 8, p. 1–19, 2023. DOI: 10.5212/retepe.v.8.21527.006. Disponível em: https://revistas.uepg.br/index.php/retepe/article/view/21527. Acesso em: 15 may. 2026.