27. "Petrobrás autuada pela DRT," [The Delegacia Regional do Trabalho is checking on charges against Petrobrás.]; and "'Marcha lenta'" como protesto, " [Employees at Refinaria Landulfo Alves are slowing down to make the company write up a collective agreement]; and "Em Betim, uma greve de fome." [Petrobrás employees in Minas Gerais go on a hunger strike.], (1982 August 20).

27. "Petrobrás autuada pela DRT," [The Delegacia Regional do Trabalho is checking on charges against Petrobrás.]; and "'Marcha lenta'" como protesto, " [Employees at Refinaria Landulfo Alves are slowing down to make the company write up a collective agreement]; and "Em Betim, uma greve de fome." [Petrobrás employees in Minas Gerais go on a hunger strike.], (1982 August 20)., Box: 24. 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/375548 Accessed September 26, 2026.