Language testing, migration, and citizenshipGuus Extra, Massimiliano Andrea Spotti, Piet van Avermaet · First published 2009Open the Tome
De multiculturele samenleving als uitdagingGuus Extra, Arie de Ruijter · First published 2002Open the Tome
The cross-linguistic study of bilingual developmentGuus Extra, Ludo Th Verhoeven · First published 1994Open the Tome
Community languages in the NetherlandsGuus Extra, Ludo Th Verhoeven · First published 1993Open the Tome
