Competent national authorities under the internati 

 - New York  UN           2005 
 - 128p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug Habits Social Pathology
<br/><br/><label>Dewey Class. No.: </label>Y:414:(z), P5/UN