Columbia subject headings:
Developing countries--Periodicals.
Economic assistance--Developing countries--Periodicals.
Technical assistance--Developing countries--Periodicals.
Harvard subject headings:
Developing countries--Periodicals.
Economic assistance--Developing countries--Periodicals
Technical assistance--Developing countries--Periodicals.
Princeton subject headings:
Developing countries--Periodicals.
Economic assistance--Developing countries--Periodicals.
Periodicals.
Technical assistance--Developing countries--Periodicals.