Aqila, Annisa Dillys, Siti Rahmah Sibuea, and Bonar Harahap. 2026. “Analisis Pengendalian Kualitas CPO Menggunakan Metode Six Sigma Di PT. Socfindo Matapao”. RIGGS: Journal of Artificial Intelligence and Digital Business 5 (1):15244-51. https://doi.org/10.31004/riggs.v5i1.8124.