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1
by Jäckel, Michael
Published 2008
VS Verlag für Sozialwissenschaften
Subjects: “...Media Research...”
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2
by Jäckel, Michael, Fröhlich, Gerrit, Röder, Daniel
Published 2019
Springer Fachmedien Wiesbaden
Subjects: “...Market Research and Competitive Intelligence...”
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3
by Jäckel, Michael
Published 2012
Springer Fachmedien Wiesbaden
Subjects: “...Market Research and Competitive Intelligence...”