ARTHA ADIWIDJANA, M. . .; YUNIATI MUKTI, Y. . . Usulan Perbaikan Kualitas Pelayanan pada Restoran XYZ dengan Metode Importance Performance Matrix (IPM) dan Customer Loyalty Index (CLI). e-Proceeding FTI, [S. l.], 2024. Disponível em: https://eproceeding.itenas.ac.id/index.php/fti/article/view/3331. Acesso em: 1 feb. 2026.