Hits 1-5 within 5 documents
Hits 1-5 within 5 documents
Editor(s): Zentralinstitut für Jugendforschung (ZIJ).- 1990. 22p.
Editor(s): Institut für Demoskopie Allensbach (IfD).- 2019. 126p.
Author(s): Espluga, Josep; Medina, Beatriz; Konrad, Wilfried.- 2018. 253p.
Author(s): Konrad, Wilfried; Espluga, Josep.- 2018. 70p.
Author(s): Schneider, Sebastian H.; Eger, Jens; Morini, Paolo; Hudson, David; Hudson, Jennifer.- 2020. 118p.