, P. D. K. K. N. Reduction in Repair rate of Welding Processes by Using DMAIC. International Journal on Recent Technologies in Mechanical and Electrical Engineering, [S. l.], v. 4, n. 4, p. 10–13, 2017. Disponível em: https://ijrmee.org/index.php/ijrmee/article/view/86. Acesso em: 12 oct. 2025.