Abdul Wahed, Zalina Salmah, Azilah Anis, and Azimah Daud. “An Application of Lean Principle in a Call Center at Sarawak”. Information Management and Business Review 15, no. 2(I)SI (June 14, 2023): 144–151. Accessed October 25, 2026. https://amhinternational.com/imbr/article/view/649-an-application-of-lean-principle-in-a-call-center-at-sarawak.