Annual report 

 - Kuala Lumpur  International Natural Rubber Organization  1996 
 - v. ;  21 cm. 
<br/><br/> PTSL : 1980/81, 1982, 1984, 1986, 1987, 1988, 1989, 1992, 1995, 1996, 1997, 1998 
<br/><br/><label>ISSN: </label>0127-6468