An Estimator in Cluster Sample Combined with Stratification

Alternative Estimators for Stratified Random Sampling

Calibration Estimators of the Population Parameters Using Stratified Random Sample

On Some Properties of the Ratio Estimators Under Size Stratification and Estimation Inuni - Stage Successive Sampling

An Admissible Estimator for The Variance of A Finite Population

Optimum Allocation in Stratified Samples for a Multivariate Survey

Calibration Weights Estimation in Stratified Random Sampling for Multiple Skewed Variables

On the Estimation of Error by Simple Random Sample Formula in Complex Sample Designs

estimating the restricted population proportion using liner programs

Precision of Design Effect in Cluster Sampling