August Simson, Violyne, and Elisabeth Nainggolan. 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.