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1
by Schmidt, Siegfried J., Schwertl, Walter
Published 2019
Springer Fachmedien Wiesbaden
Subjects: “...Economics / Psychological aspects...”
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2
by Schwertl, Walter
Published 2009
VS Verlag für Sozialwissenschaften
Subjects: “...Psychology...”
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3
by Schwertl, Walter
Published 2016
Springer Fachmedien Wiesbaden
Subjects: “...Industrial psychology...”