Rahayu, Deicu, and Siti Sarah. “Analisis Tingkat Kepuasan Pelanggan Maxim Menggunakan Metode E-Servqual Dan Importance Performance Analysis (IPA)”. RIGGS: Journal of Artificial Intelligence and Digital Business 5, no. 1 (March 7, 2026): 7225–7233. Accessed April 21, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/6114.