Beck, Leland L Manjula D. <br/><br/>
System software  Introduction to system programming 

 - 3rd ed. 
 - New Delhi  Dorling Kindersley, Licensees of Pearson Education  2011 
 - xvi,496p.  PB  24cm. 
<br/><br/> includes index  excludes solved question papers 
<br/><br/><label>ISBN: </label>9788131762813 
<br/><br/><label>Dewey Class. No.: </label>005.42  / BEC