Kharisma, R. A. ., R. Ambarwati, and S. Hermawan. “Integration of Service Quality, Importance Performance Analysis, and Quality Function Deployment for Service Quality Analysis”. International Journal of Economics Development Research (IJEDR), vol. 5, no. 4, Sept. 2024, pp. 2827-40, doi:10.37385/ijedr.v5i3.5772.