Virman Abdillah, Virman Abdillah, and Abdul Wahid. “IDENTIFICATION OF DEFECTS IN 600 ML DRINKING WATER BOTTLES USING THE SIX SIGMA APPROACH”. Metode : Jurnal Teknik Industri 10, no. 2 (October 31, 2024): 227–236. Accessed April 4, 2025. https://ejournal.um-sorong.ac.id/index.php/metode/article/view/3526.