Annual repot. 

 - Colombo :  RRIC ,  1966 
 - Series :   ill. ;   23 cm.  
 -  1966 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rubber products--Sri Lanka<br/>Annual reports
<br/><br/><label>Dewey Class. No.: </label>678.3  / RRIC