Sumad-on, Donald T.  <br/><br/>
Fundamentals of investigation and intelligence / 
Donald T. Sumad-on. 
 - First edition. 
 - Quezon City :  Wiseman's Books trading, Inc.,  ©2020. 
 - iv, 194 pages :  illustrations ;  23 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9786214181582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminal investigation.<br/>Intelligence service.
<br/><br/><label>Dewey Class. No.: </label>DFil 363.25  / Su61