Marselina, Siska, La Ode Ahmad Safar, and Suwardi Gunawan. “Analisis Pengendalian Kualitas Crude Palm Oil (CPO) Menggunakan Metode Six Sigma (Studi Kasus: PT. XYZ)”. Jurnal Teknik Industri (JATRI) 3, no. 1 (March 24, 2025): 1–11. Accessed April 19, 2025. https://e-journals2.unmul.ac.id/index.php/jatri/article/view/1340.