Leni Utami, et al. “WORK POSTURE, WORKING PERIOD & SMOKING HABITS CAUSE LOW BACK PAIN COMPLAINTS IN SHIPYARD WORKERS IN THE WELDING SECTION AT PT. X CITY BATAM IN 2023”. MEDALION Journal: Medical Research, Nursing, Health and Midwife Participation, vol. 5, no. 1, Mar. 2024, pp. 75-85, doi:10.59733/medalion.v5i1.110.