The Effects of Nonstationarity in Survey Populations on Two-Occasions Sampling Strategies

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

Alternative Estimators for Stratified Random Sampling

Robustness of two Tests for the Behrens-Fisher Problem: A Simulation Study

Precision of Design Effect in Cluster Sampling

Methods of Estimating Non-Response of Multi-Auxiliary Information

Valid estimation of the distribution function using dual-rank ranked set sampling: Missing data approach

Optimum Allocation in Stratified Samples for a Multivariate Survey

Covariance Matrix Estimation in Complex Surveys

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