RESTUASIH, Sinta; HARYUDINIARTI, Ayu Nurul; TRI NURHASANAH, Anggita Nafiulana. Quality Control Analysis of Cover Flange Products with Six Sigma Approach at PT. SMI. IJIEM - Indonesian Journal of Industrial Engineering and Management, Jakarta, Indonesia, v. 6, n. 2, p. 168–177, 2025. DOI: 10.22441/ijiem.v6i2.28622. Disponível em: https://publikasi.mercubuana.ac.id/index.php/ijiem/article/view/28622. Acesso em: 3 jun. 2026.