Impact of Lean Manufacturing Practices on Waiting Time of Patients in Outpatient Department (OPD): A Study in the Sri Lankan Public Healthcare Industry. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 12, n. 05, p. 6320–6330, 2024. DOI: 10.18535/ijsrm/v12i05.em06. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/5295.. Acesso em: 3 jul. 2024.