Eleventh annual report of the rubber research scheme (Ceylon) 

 - Colombo :  Ceylon Government Press,  1933 
 - 57 p. ;  22 cm. 
 - Sessional paper 1933 ;  xix .
<br/><br/> Second annual report of the scheme establishment under ordinance no. 10 of 1930 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rubber--Research--Ceylon
<br/><br/><label>Dewey Class. No.: </label>633.8952095493