Mei Hotma Mariati Munte, Jadongan Sijabat, Ardin Doloksaribu, and Imelda Imelda. 2024. “Problems And Handling Of Electronic Payment Systems In The Digital Era In Medan”. Jurnal Ekonomi 13 (04):1475-84. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/5698.