FEARNANDA, Yuanita Lucky; ZUNAIDI, Rizqa Amelia. The Proposed Quality Improvement of Incense Products Using the Six Sigma Method at UD. Dupa Karya Mandiri. IJIEM - Indonesian Journal of Industrial Engineering and Management, Jakarta, Indonesia, v. 5, n. 3, p. 826–841, 2025. DOI: 10.22441/ijiem.v5i3.24274. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijiem/article/view/24274. Acesso em: 28 may. 2026.