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Hani Lutpiah Sungkar. Integrated QR Payment System (QRIS): Cashless Payment Solution in Developing Country from Merchant Perspective. JESH [Internet]. 2025 Aug. 29 [cited 2026 Jul. 5];2(1):51-64. Available from: http://ejournal.ump.ac.id/index.php/JESH/article/view/310