Call environments :  research, practice, and critical issues / 
Joy Egbert and Elizabeth Hanson-Smith, editors 
 - Alexandria, Va. :  Teachers of English to Speakers of Other Languages,  c1999. 
 - xi, 523 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 471-503) and index.  
<br/><br/><label>ISBN: </label>9780939791798 
<br/><br/><label>Source: </label> University Bookshop 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Computer-assisted instruction. 
<br/><br/><label>LC Class. No.: </label>P53.28  / .C348 1999