A ten year retrospective follow-up of drug dependence career / 
V. Navaratnam ... [et al.] 
 - Pulau Pinang :  Pusat Penyelidikan Dadah dan Ubat-ubatan,  1990 
 - 134 p. :  ill. ;  26 cm. 
 - Research report series ;  25 .
<br/><br/><label>ISBN: </label>967997927X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug addiction--Malaysia