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Experimental Methods in Survey Research ...
by Lavrakas, Paul J.; Traugott, Michael W.; Kennedy, Courtney; et al.
ISBN: 9781119083740
Copyright:
Hardcover
The Voter's Guide to Election Polls
by Traugott, Michael W.; Lavrakas, Paul J.
ISBN: 9781538187395
Paperback
ISBN: 9781538187388