Report of the work of the rubber research board in 1951 

 - Colombo  Government press  1952 
 - veriable page.-                                                                 sessional paper XVI-1952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rubber research board
<br/><br/><label>Dewey Class. No.: </label>678.2  / RUB