Astri Rumondang Banjarnahor, Ovi Hamidah Sari. Transformasi Pembayaran Digital : Optimalisasi QRIS bagi Pedagang UMKM di GBK Senayan. JPMSAINTEK [Internet]. 2023 Sep. 30 [cited 2024 Dec. 22];2(3):231-42. Available from: https://ftuncen.com/index.php/JPMSAINTEK/article/view/622