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), pp. 194-201. doi: 10.61992/jpp.v5i1.323.