Adhikary, Arun KumarChaudhuri, ArijitDihidar, Shankar2012-05-072012-05-072000Metrika,v52,p115-131http://hdl.handle.net/10263/3848enMultistage samplingSurvey populationVariance estimationVarying probability samplingMean square error estimation in multi-stage samplingArticle