Sarhad Ullah Khan, and Dr. Muhammad Hanif. “Ratio Cum Exponential In Regression-Type Mean Estimator Incorporating Empirical Distribution Function As Dual Application of Supplementary Variable Under Stratified Random Sampling Design”. Policy Research Journal, vol. 3, no. 2, Feb. 2025, pp. 35-51, https://theprj.org/index.php/1/article/view/395.