Internet, phone, mail, and mixed-mode surveys : the tailored design method
Author:
Dillman, Don A.; Smyth, Jolene D.; Christian, Leah Melani
Date:
2014
Publisher:
John Wiley & Sons, Inc.
Subject:
Social surveys
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Metadata:
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Filename: Contents.pdf
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Filename: Thông tin tài liệu.pdf