Sheshareddy, Keerthana. “A 6S Implementation and Impact Assessment in the Housekeeping and Linen Department of Tertiary Care Hospital: Lean Improvement Technique”. International Journal of Business Studies 7, no. 2 (July 3, 2023): 1–8. Accessed March 14, 2026. https://ijbs.ipmi.ac.id/index.php/ijbs/article/view/250.