Columbia subject headings:
Agriculture--Economic aspects--Mexico--Congresses.
Mexico--Rural conditions--Congresses.
Natural resources--Mexico--Congresses.
Rural development--Mexico--Congresses.
Rural poor--Mexico--Congresses.
Sustainable development--Mexico--Congresses.
Harvard subject headings:
Agriculture--Economic aspects--Mexico
Mexico--Rural conditions.
Rural development--Mexico.
Princeton subject headings:
Agriculture--Economic aspects--Mexico.
Mexico--Rural conditions.
Rural development--Mexico.