Hits 1-6 within 6 documents
Hits 1-6 within 6 documents
Author(s): Künzi, Kilian; Fritschi, Tobias; Oesch, Thomas; Gehrig, Matthias; Julien, Nora.- 2009. 111p.
Author(s): Spiegel, Jürgen.- 2008. 202p.
Author(s): Enders-Dragässer, Uta; Sellach, Brigitte.- 2005. 226p.
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1981. 35p.
Author(s): Haase, Dieter; Witzel, Andreas; Ackermann, Annelen; Medjedović, Irena.- 2013. 43p.
Author(s): Haase, Dieter; Witzel, Andreas; Ackermann, Annelen; Medjedović, Irena.- 2003. 169p.