Formation of a new working class in regions with development poles: Manaos (Amazonia Brazil) and Chubut (Patagonia, Argentina), in the 1960s and 1970s. Apuntes [Internet]. 2017 May 18 [cited 2026 Aug. 31];44(80):131-58. Available from: https://revistas.up.edu.pe/apuntes/article/view/783