HUTASOIT, M. C. N.; IRWAN, H.; SUMARYA, E. Penurunan Defect Leakage Sikat Gigi Elektrik Dengan Six Sigma Dmaic (Studi Kasus PT. PIB). Jurnal Manajemen Rekayasa dan Inovasi Bisnis, [S. l.], v. 4, n. 2, p. 36–46, 2026. Disponível em: https://journal.iteba.ac.id/index.php/jmrib/article/view/827. Acesso em: 27 feb. 2026.