Columbia subject headings:
International business enterprises--Political aspects--Nigeria--Niger River Delta.
Niger River Delta (Nigeria)--Politics and government.
Petroleum industry and trade--Nigeria--Niger River Delta.
Social responsibility of business--Nigeria--Niger River Delta.
Harvard subject headings:
International business enterprises--Political aspects--Nigeria--Niger River Delta.
Niger River Delta (Nigeria)--Politics and government.
Petroleum industry and trade--Nigeria--Niger River Delta.
Social responsibility of business--Nigeria--Niger River Delta.
Princeton subject headings: