Saputra, Fahmi Dwi, and Dony Satriyo Nugroho. “Quality Control Analysis Using the Seven Tools Method and Process Improvement With PDCA Approach”. Metode : Jurnal Teknik Industri 12, no. 1 (March 31, 2026): 132–142. Accessed March 31, 2026. https://ejournal.um-sorong.ac.id/index.php/metode/article/view/5002.