Jessup, Leonard M. <br/><br/>
Information systems today /  
Leonard M. Jessup, Joseph S. Valacich . 
 - 2nd ed. 
 - Pearson :    Prentice Hall ,    2006 
 - xxiii, 441 p. :    ill. ;    28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0131273965 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Infomation retrieval systems.
<br/><br/><label>Dewey Class. No.: </label>025.04