AMELIA, R.; ARAHMAN, H.; SINAGA, R. B.; RIVAI, A.; NOVIRSARI, E. The Effectiveness and Efficiency of the Quick Response Indonesian Standard (Qris) Non-Cash Payment System in Influencing Sales at Coffeeshops in Medan City. ProBisnis : Jurnal Manajemen, [S. l.], v. 14, n. 6, p. 747–755, 2023. DOI: 10.62398/probis.v14i6.426. Disponível em: http://ejournal.joninstitute.org/index.php/ProBisnis/article/view/426. Acesso em: 28 sep. 2024.