Columbia subject headings:
Agriculture--Economic aspects--Mexico.
Family farms--Mexico.
Indians of Mexico--Agriculture.
Sustainable agriculture--Mexico.
Traditional farming--Mexico.
Harvard subject headings:
Agriculture--Economic aspects--Mexico
Agriculture--Mexico
Family farms--Mexico.
Indians of Mexico--Agriculture
Sustainable agriculture--Mexico.
Traditional farming--Mexico.
Princeton subject headings:
Agriculture--Economic aspects--Mexico.
Agriculture--Mexico.
Sustainable agriculture--Mexico.
Traditional farming--Mexico.