Power resources of trade unions in agricultural transformation processes: An analysis of the sugarcane sector in the state of São Paulo. PROKLA. Journal of Critical Social Science, Berlin, DE, v. 47, n. 189, p. 553 – 568, 2017. DOI: 10.32387/prokla.v47i189.56. Disponível em: https://www.prokla.de/index.php/PROKLA/article/view/56. Acesso em: 18 dec. 2025.