Columbia subject headings:
Harvard subject headings:
Angola--Economic conditions--Periodicals.
Cabo Verde--Economic conditions--Periodicals.
Guinea-Bissau--Economic conditions--1974---Periodicals.
Sao Tome and Principe--Economic conditions--Periodicals.
Princeton subject headings:
Angola--Economic conditions--Periodicals.
Cabo Verde--Economic conditions--Periodicals.
Guinea-Bissau--Economic conditions--1974---Periodicals.
Sao Tome and Principe--Economic conditions--Periodicals.