Authors (8941)
Boettcher, I.
Name:Boettcher, I.
Send email to: Boettcher, I.
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Ingolf Boettcher
Data has been last edited on Jul 21 2015
Celebrating 10 years: Web Survey Methology book
Name:Boettcher, I.
Send email to: Boettcher, I.
More information:
Ingolf Boettcher
Data has been last edited on Jul 21 2015