Panko, Raymond R., <br/><br/>
Business data networks and security / 
Raymond R. Panko, Julia L. Panko. 
 - Eleventh Edition. 
 - New York, NY :  Pearson Education, Inc.,  c2019. 
 - xli, 469 pages :  illustrations, tables, figures ;  24 cm. 
<br/><br/> includes index. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9780134817125 0134817125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business Enterprises--Management.<br/>Computer Networks--Security Measures.
<br/><br/><label>Dewey Class. No.: </label>658.4  / P193b