Lucent general knowledge 
LUCENT'S 
 - 7th ed 
 - Patna  Lucent Publication  2016 
 - 646 
<br/><br/><label>ISBN: </label>9789384761547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Dewey Class. No.: </label>001 LUC