Valacich Joseph S. <br/><br/>
Essentials of systems analysis and design 
Joseph S.Valacich and Joey F.George 
 - 4th ed. 
 - New York  Prentice Hall  2009 
 - 458p. 
<br/><br/> Incl.indexes 
<br/><br/><label>ISBN: </label>9780135069844 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System Analysis
<br/><br/><label>LC Class. No.: </label>QA 76.9  / .S 88V345