Muhammad Isa Lufti, Jakfat Haekal, Freska Lionia Darlion. Quality Function Deployment (QFD) Analysis For Mobile Signal Application Improvement At Indonesian Cement Manufacturing. IJSAR [Internet]. 2024 Jul. 31 [cited 2024 Nov. 21];4(7):8-12. Available from: https://ijsar.net/index.php/ijsar/article/view/121