Kurnia, Hibarkah, Ojakma Sihar Panaili Tumanggor, and Choesnul Jaqin. 2021. “Lean Six Sigma: Literature Review and Implementation for Textile and Textile Product (TTP) Industries”. Proceeding Mercu Buana Conference on Industrial Engineering 3 (1). Jakarta, Indonesia:1-10. https://publikasi.mercubuana.ac.id/index.php/mbcie/article/view/20294.