9. "Sistema de apoio aos ruralistas evitou o êxodo de camponeses."O Liberal, (1979 November 25).

9. "Sistema de apoio aos ruralistas evitou o êxodo de camponeses."O Liberal, (1979 November 25)., Box: 18. 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/374254 Accessed September 26, 2026.