Palinggi, Yonathan, Sabran Sabran, and Hamji Hamji. “Analisis Kepuasan Pelanggan Dengan Importance Performance Analysis (IPA)”. Jurnal Ekonomi & Manajemen Indonesia 23, no. 1 (November 4, 2023): 67–77. Accessed June 16, 2024. https://ejurnal.unikarta.ac.id/index.php/jemi/article/view/1342.