Author: "Eric Sondervan

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Research papers

A new toolkit to a new quality approach

Catalogue: ESOMAR Congress 1996: Changing Business Dynamics
Company: Kantar
Date: September 1, 1996
Authors: Eric Sondervan, Felix Malten, Anthony Van Zonneveld

Research papers

Mystery shopper research

Catalogue: Seminar 1991: Travel And Tourism Transition
Company: NIPO
Date: June 15, 1991
Authors: Eric Sondervan, Ad Schalekamp

Research papers

Business travel monitor

Catalogue: Seminar 1988: Travel And Tourism Research
Company: NIPO
Date: May 4, 1988
Authors: Eric Sondervan, Ad Schalekamp