5. "Relatório da reunião da 'Tendencia' do dia 17-4-83." N.p.:, 1983 April 17.

5. "Relatório da reunião da 'Tendencia' do dia 17-4-83." N.p.:, 1983 April 17., Box: 3. 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/371527 Accessed September 26, 2026.