Columbia subject headings:
Harvard subject headings:
Cocoa trade--Africa, West.
Cocoa trade--Cameroon.
Cocoa--Africa, West--History--21st century.
Cocoa--Cameroon--History--21st century.
Princeton subject headings:
Cocoa trade--Africa, West.
Cocoa trade--Cameroon.
Cocoa--Africa, West--History--21st century.
Cocoa--Cameroon--History--21st century.