Winters, Thomas <br/><br/>
ESL operations 

 - 1a 
 - Estados Unidos  Newbury house  1980 
 - 90 p. 
<br/><br/><label>ISBN: </label>883771497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language
<br/><br/><label>LC Class. No.: </label>PE1128  / N44