Pramudita, Rifqi Jalu, Raden Mohamad Sugengriadi, and Cecep Supriyadi. “Improving Sigma Value Through DMAIC at Teaching Factory STT Texmaco”. INFOTEX: Scientific Journal of Engineering 2, no. 1 (October 31, 2023): 22–32. Accessed November 11, 2026. https://ojs.stttexmaco.ac.id/index.php/infotex/article/view/50.