Survey Errors & Survey Costs: 536 (Wiley Series in Survey Methodology)
by Robert M. Groves
ISBN 13: 9780471678519
Format: Illustrated (616 pages) Publisher: Wiley-Interscience Published: 16 Apr 2004
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Telephone Survey Methodology P: 328 (Wiley Series in Survey Methodology)
ISBN 13: 9780471209560
Format: Paperback (604 pages) Publisher: John Wiley & Sons Published: 19 Sep 2001