Damanik, Elfina Okto Posmaida, Hengki Mangiring Parulian Simarmata, Sri Martina, and Robert Tua Siregar. “Enhancing Digital Payment Efficiency: The Role of QRIS Perceived Usefulness and Ease of Use”. Jurnal Ilmiah Accusi 8, no. 1 (May 8, 2026): 206–216. Accessed May 19, 2026. https://jurnal.usi.ac.id/index.php/jia/article/view/2322.