Gregory, P H., ed.
Phytophthora diseases of cocoa - London Longman Group Limited 1974 - 348
058246658X
Cacao--Diseases and pests
Phytophthora palmivora--Control
633.749452/GRE
Phytophthora diseases of cocoa - London Longman Group Limited 1974 - 348
058246658X
Cacao--Diseases and pests
Phytophthora palmivora--Control
633.749452/GRE