7. "Apreciações críticas sobre a TD-1 [Tribuna de debates no. 1]." N.p.:, 1982 April.

7. "Apreciações críticas sobre a TD-1 [Tribuna de debates no. 1]." N.p.:, 1982 April., Box: 19. 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/374457 Accessed September 26, 2026.