Columbia subject headings:
Corporations, Foreign--Government policy--Developing countries.
Petroleum industry and trade--Government policy--Developing countries.
Petroleum law and legislation--Developing countries.
Revenue--Developing countries.
Harvard subject headings:
Corporations, Foreign--Government policy--Developing countries.
Petroleum industry and trade--Government policy--Developing countries.
Petroleum law and legislation--Developing countries.
Revenue--Developing countries.
Princeton subject headings:
Corporations, Foreign--Government policy--Developing countries.
Petroleum industry and trade--Government policy--Developing countries.
Petroleum industry and trade--Law and legislation--Developing countries.
Revenue--Developing countries.