Valacich  <br/><br/>
Essentials of systems analysis and design  
/ Joseph S. Valacich, Joey F. George, Jeffrey A. Hoffer. 
 - 3rd ed.. 
 - Upper Saddle River  Pearson Prentice Hall  2006. 
 - xxviii, 451p.  ill,. col.  28cm. 
<br/><br/> Includes index p.443 - 451 
<br/><br/><label>ISBN: </label>0131854623  
<br/><br/><label>Subjects--Topical Terms: </label><br/>System analysis<br/>System design
<br/><br/><label>Dewey Class. No.: </label>004.21 VAL 2006