Moser, Claus A.
Survey methods in social investigation
Heinemann Educational Books, 1973
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Moser, Claus A.
Survey methods in social investigation
Basic Books, 1972
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Moser, Claus A.
Survey methods in social investigation
Heinemann Educational Books, 1974
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Problems in international comperative research in the social sciences
edited Jan Berting, Felix Geyer and Ray Yurkovich
Pergamon Press, 1979
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Kurtz, Norman R.
Introduction to social statistics
McGraw-Hill, 1983
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