Hits 1-4 within 4 documents
Hits 1-4 within 4 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1990. 55p.
Editor(s): Institut für Demoskopie Allensbach (IfD).- 2014. 114p.
Author(s): Görl, Tilo.- 1999. 39p.
Author(s): Ziegel, Andrea.- 2003. 46p.