SHELLY, G.B & OTHERS <br/><br/>
SYSTEMS ANALYSIS AND DESIGN METHODS 

 - NEW DELHI  Cengage  2009 
 - 631p.,24X18Cms. 
<br/><br/><label>ISBN: </label>8131505496 
<br/><br/><label>Dewey Class. No.: </label>621.38175 S545