Mubarok, A.A., Susanto, H. and Maheresmi, H. 2025. The Role of Lean Operations on Company Performance Mediated by Six Sigma at the Yogyakarta Regional Public Service Agency (BLUD). RSF Conference Series: Business, Management and Social Sciences. 5, 2 (Oct. 2025), 472–481. DOI:https://doi.org/10.31098/bmss.v5i2.1048.