II Encontro Nacional dos Sindicatos dos Engenheiros, 1982 June

II Encontro Nacional dos Sindicatos dos Engenheiros, 1982 June, Box: 23, Folder: 22. 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/370964 Accessed September 26, 2026.