Dias, L.S., Jandrey, D.F. and Santos, E.S.C. dos 2024. Reflections of modern mathematics during the 1970s in Mato Grosso: traces of a teaching professionalization . Acta Scientiarum. Education. 46, 1 (Mar. 2024), e63909. DOI:https://doi.org/10.4025/actascieduc.v46i1.63909.