4. "Sindicato, trabalho e capital: A disputa pelo espaço da fábrica." Movimento, (1980 December 1-7).

4. "Sindicato, trabalho e capital: A disputa pelo espaço da fábrica." Movimento, (1980 December 1-7)., Box: 25. Eduardo Sarno Collection of Leftist Movements in Brazil, 2002-03. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/375619 Accessed September 26, 2026.