Valacich, Joseph S. <br/><br/>
Essentials of systems analysis and design 
Joseph S. Valacich 
 - 3rd Ed. 
 -  Pearson Education  2006 
 - xxviii, 451 pages;  277 cm. 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>0-13-201756-3 
<br/><br/><label>Dewey Class. No.: </label>004.21 V23 2006