Hits 1-10 within 20 documents
Hits 1-10 within 20 documents
Author(s): Bleeker-Dohmen, Roelf.- 2003. 23p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1988. 68p.
Author(s): Müller, Harry.- 1989. 14p.
Author(s): Timmermann, Heinz.- 1999. 33p.
Author(s): Delto, Hannes; Tzschoppe, Petra.- 2015. 107p.
Author(s): Bleich, Christiane; Witte, Erich H.; Durlanik, Tülay.- 2000. 30p.
Author(s): Kirpal, Simone; Biele Mefebue, Astrid.- 2007. 31p.
Author(s): Fuhse, Jan A..- 2003. 27p.
Author(s): Trepte, Sabine; Krämer, Nicole.- 2007. 37p.
Author(s): Delto, Hannes; Tzschoppe, Petra.- 2016. 88p.