[1] F. Half en S. Strand “English language acquisition and educational attainment at the end of
secondary school (Engelse taalverwerving en opleidingsniveau op het einde van de middelbare school) " Educational Studies 32 (2), 2006, pagina's 215 tot 231
[1]F. Demie et S. Strand « English language acquisition and educational attainment at the end of
secondary school », Educational Studies 32(2), 2006, pages 215–231.
