Leni Utami, Noviyanti, Tanosida K. 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 [Internet]. 2024 Mar. 30 [cited 2024 Nov. 30];5(1):75-8. Available from: http://medalionjournal.com/index.php/go/article/view/110