Alamsyah, Ivan, and Rr. Rochmoeljati. 2023. “Product Quality Analysis Safety Belt to Reduce Disability Using Six Sigma Method and Repair With Kaizen in PT XYZ”. IJIEM - Indonesian Journal of Industrial Engineering and Management 4 (3). Jakarta, Indonesia:387-94. https://doi.org/10.22441/ijiem.v4i3.21025.