Silverio, Julio F.            <br/><br/>
Book of tips  

 - Mandaluyong City    National Bookstore          2007 
 - 334 p. 
<br/><br/><label>ISBN: </label>971-08-1347-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secret information
<br/><br/><label>Dewey Class. No.: </label>Fil 001 Si3b