Sampling of populations : methods and applications /
Levy, Paul S.
Lemeshow, Stanley.
Levy, Paul S.Sampling for health professionals.
New York ; Chichester : Wiley,
c1991.
Rev. and expanded ed. of: Sampling for health professionals. c1980.
"A Wiley-Interscience publication."
Includes bibliographical references and index.
Population
Sampling (Statistics)