Columbia subject headings:
Burundi--Economic conditions--Periodicals.
Congo (Democratic Republic)--Economic conditions--Periodicals.
Rwanda--Economic conditions--Periodicals.
Harvard subject headings:
Burundi--Economic conditions--Periodicals.
Congo (Democratic Republic)--Economic conditions--Periodicals.
Rwanda--Economic conditions--Periodicals.
Princeton subject headings:
Burundi--Economic conditions--Periodicals.
Congo (Democratic Republic)--Economic conditions--Periodicals.
Rwanda--Economic conditions--Periodicals.