BHUPENDER SINGH; ANIT BANSAL. Six Sigma Implementation in Small Scale Industry - A Case Study in Foundry. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 4, n. 6, p. 605–617, 2017. Disponível em: https://www.ijaerd.org/index.php/IJAERD/article/view/3022. Acesso em: 6 jul. 2025.