Department of Business Administration, Istanbul Bilgi University, Santral Campus, 34060 Eyüp Istanbul,Turkey;
FOM University of Applied Sciences, Study Centre Munich, Arnulfstr.30, 80335 München, Germany;
DIME, University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy;
DIME, University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy;