Productivity Improvement Strategy in Oil Seal Manufacturing Using Lean and Cost Time Profile Approach. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 13, n. 11, p. 2673–2680, 2025. DOI: 10.18535/ijsrm/v13i11.ec04. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/6770. Acesso em: 22 nov. 2025.