Ballin, W      H <br/><br/>
Perfect your English :  the easy way / 
W. H. Ballin. 
 - Hertfordshire :  Prentice Hall International Language Teaching,  c1990. 
 - xviii, 330 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0136586260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbook for foreign speakers.<br/>English language--Grammar -- 1950.
<br/><br/><label>LC Class. No.: </label>PE1128  / .B34 1990