Sumad-on, Donald T. <br/><br/>
Fundamentals of investigation and intelligence 
Donald T. Sumad-on 
 - First edition 
 - Quezon City :  Wiseman's Books Trading,  c2020 
 - iv, 194 pages :  illustrations ;  22 cm. 
<br/><br/> Includes references 
<br/><br/><label>ISBN: </label>9786214181582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal investigation
<br/><br/><label>Dewey Class. No.: </label>FIL 363.25 SU61 2020