Verhoeven, L. & J.H.A.L. de Jong (eds), The construct of language proficiency. Applications of psychological models to language assessment Loonen, Pieter,, 20, 481-482 (1996), doi = https://doi.org/10.1075/sl.20.2.16loo, publicationName = John Benjamins, issn = 0378-4177, abstract= , language=, type=