Albalawi, Majed, Aidalina Mahmud, Rosliza Abdul Manaf, Ahmad Iqmer Nashriq Mohd Nazan, Ahmad Aljohani, and Aslah Mohamad. 2024. “Improving the Waiting Time in Outpatient Clinics Using Lean Approach in Hospital: A Systematic Review”. Malaysian Journal of Medicine and Health Sciences 20 (1):263-70. https://doi.org/10.47836/mjmhs.20.1.34.