Columbia subject headings:
Argentina--Social policy.
Education and state--Uruguay.
Mexico--Social policy.
Poverty--Government policy--Argentina.
Poverty--Government policy--Mexico.
Uruguay--Social policy.
Harvard subject headings:
Argentina--Social policy.
Education and state--Uruguay.
Mexico--Social policy.
Poverty--Government policy--Argentina.
Poverty--Government policy--Mexico.
Uruguay--Social policy.
Princeton subject headings:
Argentina--Social policy.
Education and state--Uruguay.
Mexico--Social policy.
Poverty--Government policy--Argentina.
Poverty--Government policy--Mexico.
Uruguay--Social policy.