Kittipong sangbuddee , Kanitsorn Poonikom. Application of Six Sigma and Quality Function Deployment (QFD) To Design Vertical Blood Bag Lifting Devices. DE [Internet]. 2021May22 [cited 2024Jul.22];2021(04):1671 -. Available from: http://thedesignengineering.com/index.php/DE/article/view/1706