MĂLUREANU, Adriana; PÂNIȘOARĂ, Georgeta; LAZAR, Gabriel. QR codes on fiscal receipts as post-purchase digital infrastructure: the Romanian legal context, comparative practice, and service design opportunities. International Conference on Machine Intelligence & Security for Smart Cities (TRUST) Proceedings, [S. l.], v. 3, p. 353–365, 2026. Disponível em: https://scrd.eu/index.php/trust/article/view/1387. Acesso em: 13 nov. 2026.