Formation of a new working class in regions with development poles: Manaos (Amazonia Brazil) and Chubut (Patagonia, Argentina), in the 1960s and 1970s. Apuntes. Social Sciences Journal, [S. l.], v. 44, n. 80, p. 131–158, 2017. DOI: 10.21678/apuntes.80.907. Disponível em: https://revistas.up.edu.pe/apuntes/article/view/783. Acesso em: 31 aug. 2026.