Browsing by Author "Irfan, M."
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Item On optimal classes of estimators in the presence of some non sampling errors(NSF:Colombo, 2020-09) Javed, M.; Irfan, M.; Bhatti, S.H.Item Utilising bivariate auxiliary information for enhanced estimation of population mean under simple and stratified random sampling schemes(NSF:Colombo, 2019-06) Javed, M.; Irfan, M.; Pang, T.