Quality Improvement Analysis of Timing Chain Cover Components Using Six Sigma DMAIC in an Automotive Component Assembly Line. ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK, [S. l.], v. 16, n. 2, p. 288–304, 2026. DOI: 10.51747/energy.v16i2.p288-304. Disponível em: https://e-journal.upm.ac.id/index.php/energy/article/view/energy.v16i2.pp288-304. Acesso em: 18 jul. 2026.