Sri Lanka journal of Tea science  1993 September 

 - Thalawakele  Sri Lanka Tea board  1993 
 - 39 - 78 p. 
 - Sri Lanka journal of Tea science  Volume 62 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX 427<br/>HISTORY<br/>Sri Lanka journal of Tea science
<br/><br/><label>Dewey Class. No.: </label>B0427  / LDC