Ulum, Roudlotul, and Misbach Munir. 2020. “IMPLEMENTASI SIX SIGMA DENGAN PENDEKATAN POKA YOKE GUNA REDUKSI BAGIAN CASE PACKER PADA PT. X”. JKIE (Journal Knowledge Industrial Engineering) 6 (1), 11-23. https://doi.org/10.35891/jkie.v6i1.2046.