Columbia subject headings:
Harvard subject headings:
Community development--Mexico--Zacatecas (State)
Emigrant remittances--Mexico--Zacatecas (State)
Programa 3X1 para Migrantes (Mexico)
United States--Emigration and immigration--Economic aspects.
Zacatecas (Mexico : State)--Emigration and immigration--Economic aspects.
Zacatecas (Mexico : State)--Emigration and immigration--Government policy.
Princeton subject headings:
Emigrant remittances--Mexico--Zacatecas (State).
Zacatecas (Mexico : State)--Emigration and immigration--Economic aspects.