Steffen, Adrienne.
Overview
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Titles
Einführung in die Qualitative Marktforschung = Design – Datengewinnung – Datenauswertung /
by:
SpringerLink (Online service); Doppler, Susanne.; Steffen, Adrienne.
(Language materials, printed)
, [http://id.loc.gov/vocabulary/relators/aut]