[1]
R. Amelia, H. Arahman, R. B. Sinaga, A. Rivai, and E. Novirsari, “The Effectiveness and Efficiency of the Quick Response Indonesian Standard (Qris) Non-Cash Payment System in Influencing Sales at Coffeeshops in Medan City”, probis, vol. 14, no. 6, pp. 747–755, Dec. 2023.