Laboratory manual in questioned documents examination / 
Branzuela, Stella Karen M.;  Villaluz, Joner C. 
 - Quezon City :  Wiseman's Book Trading, Inc.,  2019. 
 - ii, 46 p.;  27.6cm. 
<br/><br/><label>ISBN: </label>9786214181025 
<br/><br/><label>Dewey Class. No.: </label>Fil 363.256 B821 2019