Celebrating 10 years: Web Survey Methology book

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Spera, C.

Name:Spera, C.

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Christopher Spera

ICF International

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Web survey bibliography

Using Community Information and Survey Methodology...; 2011; Harvey, J., Prabhakaran, J., Spera, C., Zhang, Zh.
Differences in Early and Late Responders: Findings...; 2010; Prabhakaran, J., Spera, C., Leach, L. M., Foster,...