"Valacich, J.S." <br/><br/>
Essentials of systems analysis and design/ 
J.S. Valacich 
 - 2nd 
 - New Delhi:  "Prentice hall,"  2005 
 - 460p. 
<br/><br/><label>ISBN: </label>81-203-2312-2 
<br/><br/><label>Subjects--Index Terms: </label>Systems development 
<br/><br/><label>Dewey Class. No.: </label>4