Drohomeretski, E., S. E. Gouvea da Costa, E. Pinheiro de Lima, and W. V. da Silva. “Critical Factors for Six Sigma Success: A Survey of the Impact of Company Time and Training in the Food Industry”. Revista Produção Online, vol. 16, no. 2, June 2016, pp. 475-98, doi:10.14488/1676-1901.v16i2.1949.