Columbia subject headings:
Income--Latin America--Congresses.
Informal sector (Economics)--Latin America--Congresses.
Labor supply--Latin America--Congresses.
Harvard subject headings:
Income--Latin America--Congresses.
Informal sector (Economics)--Latin America--Congresses.
Labor supply--Latin America--Congresses.
Princeton subject headings:
Income--Latin America--Congresses.
Informal sector (Economics)--Latin America--Congresses.
Labor supply--Latin America--Congresses.