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A general procedure for estimating the population mean in stratified sampling using auxiliary information
Singh, Housila P., (2010)
DEVELOPMENT OF CHAIN-TYPE EXPONENTIAL ESTIMATORS FOR POPULATION VARIANCE IN TWOPHASE SAMPLING DESIGN IN PRESENCE OF RANDOM NON-RESPONS
Singh, G. N., (2018)
Time series analysis using different forecast methods and case fatality rate for Covid-19 pandemic
Bhattacharjee, Atanu, (2023)