THE WORLD OF SIX SIGMA: SOLUTIONS TO UNSOLVABLE. INTERNATIONAL JOURNAL OF ADVANCED RESEARCH IN MANAGEMENT (IJARM), [S. l.], v. 8, n. 3, p. 15–26, 2017. Disponível em: https://mylib.in/index.php/IJARM/article/view/IJARM_08_03_003.. Acesso em: 5 may. 2026.