Columbia subject headings:
Harvard subject headings:
Economic assistance, Arab countries--Developing countries--Periodicals.
Economic assistance--Developing countries--Periodicals
OPEC Fund for International Development--Periodicals.
Princeton subject headings:
Economic assistance, Arab countries--Developing countries--Periodicals.
Economic assistance--Developing countries--Periodicals.
OPEC Fund for International Development--Periodicals.
Periodicals.