Polygraphy Expanded / 
Mary Grace B. Malawis . 
 - Quezon City :  Wiseman’s Book Trading,  2022. 
 - 174 p.  
<br/><br/> Includes References 
<br/><br/><label>ISBN: </label>6214182183 
<br/><br/><label>Dewey Class. No.: </label>363.254 M2917 2022