Columbia subject headings:
Harvard subject headings:
Forest ecology--Tropics
Forest products industry--Environmental aspects--Tropics.
Forest products industry--Tropics.
Non-timber forest products--Tropics--Management.
Non-timber forest products--Tropics.
Plant ecology--Tropics.
Sustainable agriculture--Tropics.
Sustainable forestry--Tropics.
Princeton subject headings:
Forest ecology--Tropics.
Non-timber forest products--Tropics--Management.
Non-timber forest products--Tropics.
Sustainable forestry--Tropics.