1. Densowave, History of QR Code. https://www.qrcode.com/en/index.html. Accessed 11 Aug 2022
2. QR-code monkey QR code generator. https://www.qrcode-monkey.com/. Accessed 05 Sept 2022
3. Heidi M (2021) Beware of QR code scams THE WALL STREET JOURNAL. https://www.wsj.com/articles/beware-of-qr-code-scams-11647625020. Accessed 03 Sept 2021
4. Kharraz A, Kirda E, Robertson W, Balzarotti D, Francillon A (2014) Optical delusions: a study of malicious QR codes in the wild. In: 44th annual IEEE/IFIP international conference on dependable systems and networks, pp 192–203
5. Shelke G (2021) Cyber crooks use QR codes to cheat people, say Pune cops. The Times of India. https://timesofindia.indiatimes.com/city/pune/cyber-crooks-use-qr-codes-to-cheat-people-say-pune-cops/articleshow/77326748.cms?utm_source=contentofinterest&utm_medium=text&utm_campaign=cppst. Accessed 18 Mar 2021