Product Quality Control Using the Six Sigma method and Seven Tools in the PDL Shoe Industry. Tibuana : Journal of Applied Industrial Engineering, [S. l.], v. 6, n. 1, p. 12–22, 2023. DOI: 10.36456/tibuana.6.1.6174.12-22. Disponível em: https://jurnal.unipasby.ac.id/tibuana/article/view/6174. Acesso em: 24 oct. 2026.