1.Sindiquímica III, no. 127, (1985 November 27).

1.Sindiquímica III, no. 127, (1985 November 27)., Box: 28. 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/376091 Accessed September 26, 2026.