6. "Ativo sôbre a linha [Notas da discussão]." N.p.:, 1980 October 19.

6. "Ativo sôbre a linha [Notas da discussão]." N.p.:, 1980 October 19., 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/371582 Accessed September 26, 2026.