Smart, R G <br/><br/>
Methodology for student drug-use surveys 

 - Geneva:   World Health Organization,   1980 
 - 55p. 
 - WHO offset publication no. 50 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surveys
<br/><br/><label>Universal Decimal Class. No.: </label>613.83.004:378.01  / M0