Anggriawan, Akbar, Anita Susilawati, & Rahmat Iman Mainil.
" Optimizing Steam to Electricity Ratio in Crude Palm Oil Refinery Captive Power Plant: A Six Sigma-DMAIC Capability Assessment." <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], 69.3 (2025): 240-252. Web. 27 Dec. 2025