Columbia subject headings:
Economic development--Mexico--Hidalgo (State)
Hidalgo (Mexico : State)--Economic conditions.
Regional planning--Mexico--Hidalgo (State)
Harvard subject headings:
City planning--Mexico--Hidalgo (State)
Economic development--Mexico--Hidalgo (State)
Hidalgo (Mexico : State)--Economic conditions.
Regional planning--Mexico--Hidalgo (State)
Princeton subject headings:
City planning--Mexico--Hidalgo (State).
Hidalgo (Mexico : State)--Economic conditions.
Regional planning--Mexico--Hidalgo (State).