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. (2020). Journal of Industrial Engineering and Halal Industries, 1(1), 19-29. https://doi.org/10.14421/jiehis.1789