Columbia subject headings:
Harvard subject headings:
Brazil, Northeast--Economic conditions--Abstracts--Periodicals.
Brazil, Northeast--Social conditions--Abstracts--Periodicals.
Income distribution--Brazil, Northeast--Abstracts--Periodicals.
Labor supply--Brazil, Northeast--Abstracts--Periodicals.
Labor--Brazil, Northeast--Periodicals.
Princeton subject headings:
Brazil, Northeast--Economic conditions--Abstracts--Periodicals.