Theresa, A. H., Chandra, T., Octafilia, Y., Deli, M. M., & Sarbaeni, S. (2025). Optimizing Banking E-Service Excellence: A CSI and IPA Approach to Customer Satisfaction. INVEST : Jurnal Inovasi Bisnis Dan Akuntansi, 6(1), 195-205. https://doi.org/10.55583/invest.v6i1.1305