Parmadi Komalajaya 2026. THE RELATIONSHIP BETWEEN FLIGHT HOURS, AGE, AND BODY MASS INDEX AND THE OCCURRENCE OF LOW BACK PAIN AMONG COMMERCIAL FIXED-WING PILOTS IN INDONESIA DURING THE COVID-19 PANDEMIC. Jurnal Penelitian Progresif. 5, 1 (Feb. 2026), 194-201. DOI:https://doi.org/10.61992/jpp.v5i1.323.