Essentials of systems analysis and design / 
Joseph S. Valacich...[at al.]. 
 - 3rd ed. 
 - Toronto:  Prentice Hall,  2006. 
 - xxvii, 451 p.:  ill.; 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0131854623 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Design
<br/><br/><label>LC Class. No.: </label>QA76.9  .S88V345  2006