Chandrabhanu,T K & Bhatnagar, Vasudev <br/><br/>
Information science and technology 

 - Campus Books International, New Delhi  2009 
 - 288 
<br/><br/><label>ISBN: </label>978-81-8030-221-3 
<br/><br/><label>Dewey Class. No.: </label>010.78 Cha