Campos, P.H. da S., Paes, V. de C., Gonçalves, E.D. de C., Ferreira, J.R., Balestrassi, P.P. e Silva, J.P.D.T. da 2019. Optimizing production in machining of hardened steels using response surface methodology. Acta Scientiarum. Technology. 41, 1 (maio 2019), e38091. DOI:https://doi.org/10.4025/actascitechnol.v41i1.38091.