Determinants and Economic Consequences of Youth Unemployment at the Beginning of the 21st CenturyBernd Fitzenberger, Nicole Gürtzgen, Friedhelm Pfeiffer · First published 2015Open the Tome
Econometric Evaluation of Labour Market PoliciesMichael Lechner, Friedhelm Pfeiffer · First published 2001Open the Tome
Kindheit in Mittelhessen in den 50er JahrenFriedhelm Müller, Heinz Pfeiffer · First published 2000Open the Tome
Beschäftigungswirkungen des Übergangs Zu Integrierter UmwelttechnikFriedhelm Pfeiffer, Klaus Rennings · First published 1999Open the Tome
