Columbia subject headings:
Developing countries--Economic conditions.
Developing countries--Foreign economic relations--OECD countries.
OECD countries--Foreign economic relations--Developing countries.
Harvard subject headings:
Developing countries--Economic conditions.
Developing countries--Foreign economic relations.
International economic relations
Organisation for Economic Co-operation and Development
Princeton subject headings:
Developing countries--Economic conditions.
Developing countries--Foreign economic relations.
Organisation for Economic Co-operation and Development.