Columbia subject headings:
Africa, Sub-Saharan--Economic policy.
Fiscal policy--Africa, Sub-Saharan.
Petroleum industry and trade--Africa, Sub-Saharan.
Harvard subject headings:
Africa, Sub-Saharan--Economic policy.
Fiscal policy--Africa, Sub-Saharan.
Petroleum industry and trade--Africa, Sub-Saharan.
Princeton subject headings:
Africa, Sub-Saharan--Economic policy.
Fiscal policy--Africa, Sub-Saharan.
Petroleum industry and trade--Africa, Sub-Saharan.