Noor-ul-Amin, Muhammad, Nadia Mushtaq, and Muhammad Hanif. “Simultaneous Estimation of Mean of Sensitive Variable and Sensitivity Level by Using Generalized Optional Scrambling”. Pakistan Journal of Statistics and Operation Research 13, no. 4 (December 1, 2017): 856-866. Accessed August 2, 2025. https://pjsor.com/pjsor/article/view/1966.