Rommel K. Manwong. <br/><br/>
Instructional materials in drug education and vice control / 
Manwong, Rommel K. 
 - 2nd Edition. 
 - [vi], 273 p. ;  27 cm. 
<br/><br/> Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug abuse.<br/>Narcotics.<br/>Criminal investigation.