Murphy, Raymond <br/><br/>
Essential grammar in use /  a self-study reference and practice book for elementary students of English : with answers 
Raymond Murphy 
 - 2nd ed., New ed. 
 - Cambridge, U.K. ;  New York, NY, USA  Cambridge University Press  1997 
 - 300p.  ill.  25 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0521559286  RM49.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--grammar--problems, exercises, etc<br/>English language--textbooks for foreign speakers.