ASTUTI WIDI RAHAYU, Ade; N. , Neni Triana; KOMARUDIN, Udin. ANALYSIS OF QUALITY IMPROVEMENT TO IMPROVE PRODUCTIVITY OF PISTON RING PVD WITH SIX SIGMA (DMAIC) APPROACH. International Journal of Psychosocial Rehabilitation, [S. l.], v. 24, n. 1, p. 8128–8134, 2020. DOI: 10.61841/d0899b96. Disponível em: https://www.psychosocial.com/index.php/ijpr/article/view/1204. Acesso em: 20 jun. 2025.