Published on in Vol 15, No 8 (2013): August
1 Institute of Management (IFM), School of Business and Economics, Friedrich-Alexander-University Erlangen-Nuremberg, Nuremberg, Germany
2 University of Applied Sciences and Arts, Hannover, Germany
Published on in Vol 15, No 8 (2013): August
1 Institute of Management (IFM), School of Business and Economics, Friedrich-Alexander-University Erlangen-Nuremberg, Nuremberg, Germany
2 University of Applied Sciences and Arts, Hannover, Germany