Evaluating effectiveness :  drugs prevention research conference / 
Home Office Drugs Prevention Initiative. 
 - [London :  Home Office],  1999. 
 - 33p. 
 - Drugs prevention initiative paper ;  no. 20 .
 - Drugs prevention initiative paper ;  no. 20 .
<br/><br/><label>ISBN: </label>1840822112 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug abuse--Prevention.--Great Britain<br/>Youth--Drug use--Prevention.--Great Britain