Erpenus, M. and Veri, J. (2025) “paymen system Pengaruh Mobile Payment Terhadap Efisiensi Transaksi Keuangan Di Sektor Retail”, Indo-Fintech Intellectuals: Journal of Economics and Business, 4(6), pp. 3563–3572. doi: 10.54373/ifijeb.v4i6.2572.