Albalawi M, Mahmud A, Abdul Manaf R, Mohd Nazan AIN, Aljohani A, Mohamad A. Improving the Waiting Time in Outpatient Clinics Using Lean Approach in Hospital: A Systematic Review. Malays J Med Health Sci [Internet]. 2024 Jan. 31 [cited 2025 Jun. 16];20(1):263-70. Available from: http://mjmhsojs.upm.edu.my/index.php/mjmhs/article/view/755