Columbia subject headings:
Developing countries--Economic conditions--Bibliography--Periodicals.
Developing countries--Economic conditions--Europe, Eastern--Periodicals.
Developing countries--Social conditions--Bibliography--Periodicals.
Developing countries--Social conditions--Research--Europe, Eastern--Periodicals.
Harvard subject headings:
Developing countries--Economic conditions--Periodicals.
Developing countries--Social conditions--Periodicals.
Princeton subject headings: