Lalujan, Veicya Velicya, and Yani Rahardja. “Analisis Tingkat Kepuasan Pengguna Layanan E-Wallet DANA Menggunakan Metode PIECES”. Journal of Information Technology Ampera 4, no. 3 (November 30, 2023): 207–221. Accessed April 21, 2026. https://journal-computing.org/index.php/journal-ita/article/view/426.