K. Mashood, H.U.R.Kayani, A.A. Malik, M. A. Raza, and A. Tahir. “PATENTS AND THEIR SECURITY ISSUES USING BLOCK CHAIN TECHNOLOGY”. Pakistan Journal of Science, vol. 75, no. 02, June 2023, pp. 199-0, doi:10.57041/pjs.v75i02.868.