NAFISA, Hasna Anggun; PUJIARINI, Erna Hudianti. Integrated QR Code-Based Cafe Ordering with Point of Sale and Electronic Receipt. Journal of Information Systems and Technology Research, [S. l.], v. 5, n. 2, p. 270–280, 2026. DOI: 10.55537/jistr.v5i2.1552. Disponível em: https://journal.aira.or.id/jistr/article/view/1552. Acesso em: 15 jul. 2026.