L. E. Rangkuti, W. . Hidayatullah, N. . Izzati, and Y. A. . Lesmana, “The Analysis of QRIS Usage in Micro, Small, and Medium Enterprises (MSMEs) in Medan City to Encourage Digital Economy Development”, TOFEDU, vol. 3, no. 5, pp. 1151–1156, Dec. 2024.