Mutiara, F. R., Dewangga, M. W., Fatmarizka, T., & Ginting, E. J. B. (2026). The Effectiveness of the William Flexion Exercise in Alleviating Chronic Low Back Pain in Workers. FISIO MU: Physiotherapy Evidences, 7(3), 104–110. https://doi.org/10.23917/fisiomu.v7i3.18425