Authors (8941)
Ullrich, J.
Name:Ullrich, J.
Send email to: Ullrich, J.
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Johannes Ullrich
Goethe-Universität Frankfurt, Germany
Data has been last edited on Oct 03 2011
Celebrating 10 years: Web Survey Methology book
Name:Ullrich, J.
Send email to: Ullrich, J.
More information:
Johannes Ullrich
Goethe-Universität Frankfurt, Germany
Data has been last edited on Oct 03 2011