WORKING AIDS DESIGN BY USING 5-STEP METHOD BASED ON REBA AND RULA ANALYSIS TO REDUCE THE RISK OF LOW-BACK PAIN INJURY A Case Study in Brickworks Center in Potorono, Banguntapan, Bantul. JIEHIS [Internet]. 2020 Jun. 1 [cited 2026 Mar. 21];1(1):19-2. Available from: https://ejournal.uin-suka.ac.id/saintek/JIEHIS/article/view/1789