Columbia subject headings:
Harvard subject headings:
Burundi--Economic conditions--Periodicals.
Burundi--Politics and government--Periodicals.
Congo (Democratic Republic)--Economic conditions--1960---Periodicals.
Congo (Democratic Republic)--Politics and government--1960-1997--Periodicals.
Rwanda--Economic conditions--Periodicals.
Rwanda--Politics and government--Periodicals.
Princeton subject headings:
Burundi--Economic conditions--Periodicals.
Congo (Democratic Republic)--Economic conditions--Periodicals.
Rwanda--Economic conditions--Periodicals.