Ayesha Nasir, Muhammad Adnan Khan, Muhammad Nadeem Ali, saqibaslam, and Umer Farooq. “Performance Analysis of Hardware Protection & System Security in Different Operating Systems”. Lahore Garrison University Research Journal of Computer Science and Information Technology, Vol. 1, no. 3, Sept. 2017, pp. 37-49, doi:10.54692/lgurjcsit.2017.010321.