WULANDARI, R. A.; PRASTAWA, H. .; BUDIAWAN, W. . Quality Improvement of The Public Service of The Metal Contamination Testing Laboratory Using Lean Six Sigma Approach (Case Study). Formosa Journal of Science and Technology , [S. l.], v. 3, n. 4, p. 861–880, 2024. DOI: 10.55927/fjst.v3i4.9205. Disponível em: https://journal.formosapublisher.org/index.php/fjst/article/view/9205. Acesso em: 19 apr. 2026.