2.Força Popular no. 2 [Boletim do PT], (1981 November).

2.Força Popular no. 2 [Boletim do PT], (1981 November)., Box: 4. 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/371958 Accessed September 26, 2026.