Introduction to information system/  English. 
James A. O'Brien. 
 - 12th Ed. 
 - New Delhi:  Tata McGraw-Hill Publishing Company Limited,  2008. 
 - xxx, 452p.:  ill.;  28cm. 
<br/><br/><label>ISBN: </label>9780070589711 
<br/><br/><label>Dewey Class. No.: </label>659.235  / O'BR