Adhikary, Arun KumarChaudhuri, ArijitVijayan, Kaipillil2017-02-272017-02-271984-08International Statistical Review, v.52, no.2, p.115-120http://hdl.handle.net/10263/6736enEstimatorsUnbiased estimatorsPopulation estimatesStatistical varianceStatistical estimationRandom allocationOptimum sampling strategies for randomized response trialsArticle