Barnett, Vic
Sample survey : principles and methods
Arnold , 2002
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Hansen, Morris H.
Sample survey methods and theory
John Wiley & Sons, 1970
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Scheaffer, Richard L.
Survey sampling
Brooks/Cole Cengage Learning, 2012
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Scheaffer, Richard L.
Elementary survey sampling
Duxbury , 1990 Press
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Schrock, Edward M.
Quality control and statistical methods
Reinhold, 1961
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