The role of Six Sigma in Promoting the Application of Additive Manufacturing Technology: . NTU journal for Administrative and Human Sciences (JAHS), [S. l.], v. 3, n. 1, 2023. DOI: 10.56286/ntujahs.v3i1.268. Disponível em: https://journals.ntu.edu.iq/index.php/NTU-JMS/article/view/268.. Acesso em: 16 apr. 2025.