SARHAD ULLAH KHAN; 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, [S. l.], v. 3, n. 2, p. 35–51, 2025. Disponível em: https://theprj.org/index.php/1/article/view/395. Acesso em: 10 mar. 2025.