Armitage, P.
Statistical methods in medical research
Blackwell Scientific Publication, 1985
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Malinvaud, Edmond
Statistics methods of econometries
North Holland , 1987
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Grant, Eugene Lodewick
Statistical quality control
McGraw-Hill, 1996
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Andrews, Frank M.
A guide for selecting statistical techniques for analyzing social science data
University of Michigan, 1981
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Biostatistics in clinical medicine/ Joseph A. Ingelfinger.... (et al.)
McMillan Public Comp, 1987
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