Djauhari, M.A., and I. Mohamad. “HOW TO CONTROL PROCESS VARIABILITY MORE EFFECTIVELY: THE CASE OF A BCOMPLEX VITAMIN PRODUCTION PROCESS”. The South African Journal of Industrial Engineering 21, no. 2 (November 5, 2011). Accessed May 4, 2024. https://sajie.journals.ac.za/pub/article/view/60.