THE IMPLEMENTATION OF QRCODE ON VENDING MACHINES . e-Jurnal Penyelidikan dan Inovasi, [S. l.], v. 12, n. 5, p. 207–224, 2025. DOI: 10.53840/ejpi.v12i5.319. Disponível em: https://ejpi.uis.edu.my/index.php/ejpi/article/view/319. Acesso em: 31 may. 2026.