Authors (8941)
van der Valk, J.
Name:van der Valk, J.
Send email to: van der Valk, J.
More information:
Johan van der Valk
Eurostat
Data has been last edited on Nov 28 2011
Celebrating 10 years: Web Survey Methology book
Name:van der Valk, J.
Send email to: van der Valk, J.
More information:
Johan van der Valk
Eurostat
Data has been last edited on Nov 28 2011