Duffy, Carolyn B. <br/><br/>
The heinemann toefl :  Practice tests / 
C.B. Duffy, M.K. Mahnke. 
 - Revised 
 - New York :  Heinemann,  1996. 
 - 192 p. 
<br/><br/><label>ISBN: </label>0-435-26321-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English as a foreign language