Columbia subject headings:
Agriculture--Economic aspects--Mexico--Chiapas.
Agriculture--Economic aspects--Mexico--Tabasco (State)
Chiapas (Mexico)--Population.
Petroleum industry and trade--Mexico--Chiapas.
Petroleum industry and trade--Mexico--Tabasco (State)
Tabasco (Mexico : State)--Population.
Harvard subject headings:
Agriculture--Economic aspects--Mexico--Chiapas.
Agriculture--Economic aspects--Mexico--Tabasco (State)
Chiapas (Mexico)--Population.
Petroleum industry and trade--Mexico--Chiapas.
Petroleum industry and trade--Mexico--Tabasco (State)
Tabasco (Mexico : State)--Population.
Princeton subject headings:
Agriculture--Economic aspects--Mexico--Chiapas.
Agriculture--Economic aspects--Mexico--Tabasco (State).
Chiapas (Mexico)--Population.
Petroleum industry and trade--Mexico--Chiapas.
Petroleum industry and trade--Mexico--Tabasco (State).
Tabasco (Mexico : State)--Population.