The interrelationships between shard types and cocoa pest and disease problems in Papua New Guinea /
Smith, E. S. C.
The interrelationships between shard types and cocoa pest and disease problems in Papua New Guinea / by E. S. C. Smith. - [S.l.] : [s.n.], [1981]. - p. 37-43.
Photocopy from : Proceedings of the 7th International Cocoa Research Conference, Douala, Cameroon, 4-12th November, 1979.
Cacao--Papua New Guinea.
Cacao--Diseases and pests--Papua New Guinea.
The interrelationships between shard types and cocoa pest and disease problems in Papua New Guinea / by E. S. C. Smith. - [S.l.] : [s.n.], [1981]. - p. 37-43.
Photocopy from : Proceedings of the 7th International Cocoa Research Conference, Douala, Cameroon, 4-12th November, 1979.
Cacao--Papua New Guinea.
Cacao--Diseases and pests--Papua New Guinea.