Johnson, Robert, <br/><br/>
Security policies and implementation issues / 
Johnson, Robert. 
 - 3rd edition. 
<br/><br/><br/>Electronic reproduction. <br/>Sebastopol, CA : <br/>O'Reilly Media, Inc., <br/>©2021. <br/>Available in HTML format. <br/>Description based on contents viewed 24 June 2021. 
<br/><br/><label>ISBN: </label>9781284199925 9781284199840 9781284199925 
<br/><br/><label>Standard No.: </label>9781284199925 9781284199925 
<br/><br/><label>Dewey Class. No.: </label>005.8