Nigam, Pragati

• 2020, Volume 21, Issue Number 3 - Articles
  Product-Product-Type (PPT) Exponential Estimator in Double Sampling for Stratification (DSS) of Finite Population Mean
  Abstract
• 2021, Volume 22, Issue Number 1 - Articles
  New Chain Estimators for Finite Population Mean Under Stratified Two-Phase Sampling
  Abstract

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