Oliveira, V. F. R. de, M. E. dos S. Ribeiro, and O. da C. Mendes. “TEACHERS’ UNIONISM IN REGRASSION TIMES: THE PARTICIPATION IN WORKERS’ UNION IN PUBLIC EDUCATION OF THE STATE OF PARÁ, SUB HEADQUARTER CASTANHAL”. Journal Inter-Ação, vol. 45, no. 2, Dec. 2020, pp. 515-30, doi:10.5216/ia.v45i2.61159.