1. [Centro de Intercambio de Pesquisas e Est. Ec. e Sociais-CIPES].Recado ano I, no. 1, (June 1980).

1. [Centro de Intercambio de Pesquisas e Est. Ec. e Sociais-CIPES].Recado ano I, no. 1, (June 1980)., Box: 25. 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/375776 Accessed September 26, 2026.