Studies in language testingLyle F. Bachman, Fred Davidson, Katherine Ryan, Inn-Chull Choi · First published 1995Open the Tome
Studies in Language Testing 1Lyle F. Bachman, Fred Davidson, Katherine Ryan, Inn-Chull Choi · First published 1995Open the Tome
An application of item response theory to language testingInn-Chull Choi · First published 1991 · Latest edition 1992Open the Tome