8. Dantas, João Carlos et al, CUT, Força Socialista. "Emendas a tese Sindiquímica-Proquímico 1." N.p.:, undated

8. Dantas, João Carlos et al, CUT, Força Socialista. "Emendas a tese Sindiquímica-Proquímico 1." N.p.:, undated, Box: 12. 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/373289 Accessed September 26, 2026.