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The human side of enterprise
McGregor, Douglas, (2006)
Hospitality management and organisational behaviour
Mullins, Laurie J., (2001)
Managing people
Weightman, Jane, (2004)
The changing role of the International Monetary Fund
Crocker, Andrew D., (1978)
Internationaler Handel : Theorie und Empirie
Zweifel, Peter, (1997)
Richtig kommunizieren
Heller, Robert, (2002)