FATHUROHMAN, Dimas Mukhlis Hidayat; PURBA, Humiras Hardi; TRIMARJOKO, Aris. Value Stream Mapping and Six Sigma Methods to Improve Service Quality at Automotive Services in indonesia. Operational Research in Engineering Sciences: Theory and Applications, [S. l.], v. 4, n. 2, p. 36–54, 2021. DOI: 10.31181/oresta20402036f. Disponível em: https://oresta.org/menu-script/index.php/oresta/article/view/87. Acesso em: 22 nov. 2024.