Forged or genuine (a questioned document handbook) / 
Sorra, Mely F. 
 - Quezon City :  Wiseman's Book Trading, Inc.,  2011. 
 - v, 79 p.:  ill.;  21.1cm. 
<br/><br/>Includes glossary, bibliography 
<br/><br/><label>ISBN: </label>9710588220 
<br/><br/><label>Dewey Class. No.: </label>Fil 363.256 So694 2011