Janah RFN, Wahyuni HC. IMPLEMENTATION OF SIX SIGMA AND KAIZEN TO IMPROVE THE QUALITY OF HEALTH PLASTER PRODUCTS IN THE COATING PROCESS. IPTEKS [Internet]. 2024 Jul. 22 [cited 2025 Dec. 5];1(2):98-115. Available from: https://journal.antispublisher.com/index.php/IPTEKS/article/view/202