Laudon, Kenneth C.    <br/><br/>
Essentials of management systems :   Managing the digital firm /  
Kenneth C.Laudon    
 - 6th.ed.    
 - Upper Saddle River,New Jersey :  Pearson Education,   2005.    
 - 636p :  ill;   27cm    
<br/><br/>Includes bibliographical references and index    
<br/><br/><label>ISBN: </label>0131273116    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management information systems