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Diana, G. and Tommasi, C. (2002) Estimation for finite population parameters in two phase sampling. [Working Paper] WORKING PAPER SERIES, 8/2002 . , PADOVA (Inedito)

Diana, G. and Tommasi, C. (2002) Estimation for ratio of two population means in double sampling. [Working Paper] WORKING PAPER SERIES, 5/2002 . , PADOVA (Inedito)

Diana, G. and Preo, P. and Tommasi, C. (2003) Horvitz-Thompson Estimators in Center Sampling. [Working Paper] WORKING PAPER SERIES, 14/2003 . , PADOVA (Inedito)

Diana, G. and Tommasi, C. (2002) Optimal estimation for finite population parameters in two phase sampling. [Working Paper] WORKING PAPER SERIES, 9/2002 . , PADOVA (Inedito)

Diana, G. and Tommasi, C. and Zuin, M. (2002) Regression and ratio estimators on two occasion. [Working Paper] WORKING PAPER SERIES, 14/2002 . , PADOVA (Inedito)