Ratnayake, Y. <br/><br/>
HandBook Drug Abuse information 1998-2002 

 - Rajagiriya :  National Dangerous Drugd Control Board,  2003 
 - xi, 80p.;  24cm 
<br/><br/><label>ISBN: </label>955913714x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handbook