Stem and root borer of hevea rubber
Ernest Green, E.
Stem and root borer of hevea rubber - Ceylon 1905 - 54-57 p. - Coylon Department of Agriculture. Bulletin No. 3 .
Stem and root borer of hevea rubber - Ceylon 1905 - 54-57 p. - Coylon Department of Agriculture. Bulletin No. 3 .