August Simson, V., & Nainggolan, E. (2025). Consumer Purchase Preferences of Medan City Residents in using Fintech Payment and Consumer Behavior in the Digital Era: Preferensi Keputusan Pembelian Masyarakat Kota Medan dalam menggunakan Fintech Pembayaran dan Perilaku Konsumen di Era Digital. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC), 4(1), 49–61. https://doi.org/10.47663/ibec.v4i1.373