Sambodo, Priyo, and Atikha Sidhi Cahyana. “Product Quality Control In CV XYZ Using Seven Tools and Quality Control Circle: Pengendalian Kualitas Produk Sound Sistem Di CV XYZ Dengan Metode Seven Tools Dan Quality Control Circle”. Procedia of Engineering and Life Science 3 (December 31, 2022). Accessed June 26, 2025. https://pels.umsida.ac.id/index.php/PELS/article/view/1371.