Author

Katharina Kettner

2 books found

Cover of Strategischer Wandel durch IT

Strategischer Wandel durch IT

Lutz Becker, Dorothee Feldmüller, Veronika Helbig, Katharina Kettner, Johannes Müller, Jan Mütter · First published 2012

Cover of Such stuff as films are made on

Such stuff as films are made on

Katharina Kettner · First published 1999