Columbia subject headings:
Brazil--Economic conditions--Periodicals.
Brazil--Social conditions--Periodicals.
Social sciences--Periodicals.
Harvard subject headings:
Brazil--Economic conditions--Periodicals.
Brazil--Social conditions--Periodicals.
Social sciences--Periodicals
Princeton subject headings:
Brazil--Economic conditions--Periodicals.
Brazil--Social conditions--Periodicals.
Periodicals.
Social sciences--Periodicals.