G. Bhanu Prasad, P. Shreya, P. Shailaja, M. Akhila, P. Sravani. “SAFEGUARDING AGAINST COUNTERFEITS WITH BLOCKCHAIN BASED QR CODE”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 14, no. 03, July 2023, pp. 189-96, doi:10.17762/turcomat.v14i03.13950.