Biswas, AtanuRao, J N K2012-12-182012-12-182004-10-15Statistics & Probability Letters,v.70, no. 1, p. 59–70http://hdl.handle.net/10263/5102enEfficiencyLimiting proportion of allocationLinear regression imputationMissing at randomProbit linkMissing responses in adaptive allocation designArticle