ZAINARTI; SOLEHA, S.; SABRINA, T. W.; ANGGRAINI, D. Optimalisasi Pembayaran Digital Melalui Quick Response Code Indonesian Standard (QRIS) pada UMKM Kota Medan. Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 3, n. 2, p. 455–461, 2025. DOI: 10.71456/sur.v3i2.1328. Disponível em: https://yptb.org/index.php/sur/article/view/1328. Acesso em: 10 feb. 2026.