SILVANO, V. G.; PONTAN, D.; ZAKI, M.; KURNIYANINGRUM, E. Application of the Six Sigma Method in Railway Level Crossing Construction using Concrete Level Crossing in Gedebage-Haurpugur, West Java. ASTONJADRO, [S. l.], v. 14, n. 1, p. 297–320, 2025. DOI: 10.32832/astonjadro.v14i1.17204. Disponível em: http://150.107.142.43/index.php/ASTONJADRO/article/view/17204. Acesso em: 16 jan. 2025.