Afriana, Wendra, Febriyanti Zulyani, and Tikkyrino Kurniawan. 2023. “Application of Lean Six Sigma Method in Hospital Management Process: Performance Optimization and Waste Reduction”. ENDLESS: INTERNATIONAL JOURNAL OF FUTURE STUDIES 6 (3):172-84. https://doi.org/10.54783/endlessjournal.v6i3.212.