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4. PRAXIS Debate no. 0 [Grupo de Estudos e Debates Praxis], (1986 May)., Box: 10. 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/373086 Accessed September 27, 2026.