Choi, Inn-Chull <br/><br/>
An application of item response theory to language testing 

 - Bern:  Peter Lang,  1992 
 - xii, 196 p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>820415731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages - Ability testing
<br/><br/><label>Dewey Class. No.: </label>407.6 CHO