A. R. Roby Ananta, M. A. Maulana, S. Risti, V. Y. Abela, and C. F. Y. Dwi Jayanti, “The Existence of Quick Response Code Indonesian Standard (QRIS) as a National Product in International Economic Competition”, Jurnal Puspaka, vol. 1, no. 3, pp. 115–131, Jul. 2025.