VENANZI, Délvio; LAPORTA, Bruna Pires. LEAN SIX SIGMA. South American Development Society Journal, [S. l.], v. 1, n. 2, p. 66–84, 2017. Disponível em: https://www.sadsj.org/index.php/revista/article/view/14. Acesso em: 1 maio. 2026.