Columbia subject headings:
Harvard subject headings:
Argentina, Northeast--Social conditions.
Argentina, Northwest--Social conditions.
Economic development--Argentina, Northeast.
Economic development--Argentina, Northwest.
Poverty--Argentina, Northeast.
Poverty--Argentina, Northwest.
Princeton subject headings:
Argentina, Northeast--Economic development.
Argentina, Northeast--Social conditions.
Argentina, Northwest--Economic development.
Argentina, Northwest--Social conditions.
Poverty--Argentina, Northeast.
Poverty--Argentina, Northwest.