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Constructing an unbiased estimator of population mean in finite populations using auxiliary information
Tracy, Derrick S., (1999)
Estimation in Surveys With Nonresponse. Carl-Erik Sarndal and Sixten Lundstrom
Ruiz Espejo, Mariano, (2006)
A NEW FAMILY OF ESTIMATORS OF THE POPULATION VARIANCE USING INFORMATION ON POPULATION VARIANCE OF AUXILIARY VARIABLE IN SAMPLE SURVEYS
Singh, Housila P., (2016)