MATH, R. B.; GANGANALLIMATH, M. M. Application of Six Sigma to Improve the Passing Percentage of an Engineering Course. Journal of Mines, Metals and Fuels, [S. l.], v. 71, n. 6, p. 848–856, 2023. DOI: 10.18311/jmmf/2023/34501. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/34501. Acesso em: 27 jul. 2024.