Books By Frank (Nuremberg Tech Georg Simon Ohm) Sowa, Markus (Institute for Employment Research) Gottwald, Pawel (Institute of Polawski - Author

Ute Klammer is a Professor and Director of the Institute of Work, Skills and Training at the University of Duisburg-Essen. Simone Leiber is a Professor of Social Policy at the University of Duisburg-Essen. Sigrid Leitner is a Professor for Social Policy at the University of Applied Sciences Cologne.