Über den Autor
Goran D. Putnik received his Dipl. Eng., M.Sci. and Dr.Sci. from the Belgrade University, both M.Sci. and Dr.Sci. in the domain of Intelligent Manufacturing Systems. He is currently Associate Professor, at Department of Production and Systems Engineering, University of Minho (Portugal). Maria Manuela Cunha received her Dipl. Eng., M.Sci. and Dr. Sci from the University of Minho. The Engineering diploma is in the field of Systems and Informatics Engineering, the M.Sci in the field of Information Society and Dr.Sci is in the field of Virtual Enterprises. She is currently an Assistant Professor at the Scholl of Management of Polytechnic Institute of Cavado and Ave, Portugal.