Longman Corpus Network <br/><br/>
Longam Essential Activator 
/by Longman Corpus Network  
 - New Delhi:  British National Corpus,  2000. 
 - Vii, 997p. 
<br/><br/><label>ISBN: </label>981223904 
<br/><br/><label>Dewey Class. No.: </label>655.22  / COR/L