jana, Z. H. W., and S.E.H.Rizvi. “Assessing the Effect of Non-Response in Stratified Random Sampling Using Enhanced Ratio Type Estimators under Double Sampling Strategy.”. Pakistan Journal of Statistics and Operation Research, Vol. 19, no. 3, Sept. 2023, pp. 459-73, doi:10.18187/pjsor.v19i3.4063.