Columbia subject headings:
Harvard subject headings:
Africa--Economic conditions--21st century.
Africa--Economic policy--Mathematical models.
Economic development--Africa.
Economic development--Pacific Area.
Environmental policy--Africa
Environmental policy--Pacific Area.
Pacific Area--Economic conditions--21st century.
Pacific Area--Economic policy.
Sustainable development--Africa
Sustainable development--Pacific Area
Princeton subject headings:
Agriculture--Africa.
Climatic changes--Africa.
Environmental policy--Pacific Area.
Pacific Area--Economic policy.
Sustainable development--Pacific Area.