Ariffien, Afferdhy, and Deby Rosminingsih. 2017. “Lean Manufacturing Approach to Minimize Waste Production Parts STN Wfx000 RIB at the Prismatic Medium Machine 2 in PT X”. International Review of Management and Marketing 6 (8S):310-14. https://econjournals.com/index.php/irmm/article/view/5680.