Handbook in Questioned Documents Examination with Laboratory Manual / 
Toenard Conteras Duno. 
 - Quezon City :  Wiseman’s Book Trading,  2021. 
 - 144 p.  
<br/><br/> Includes Bibliography 
<br/><br/><label>ISBN: </label>621418190 
<br/><br/><label>Dewey Class. No.: </label>363.25D9231 2023