Columbia subject headings:
Agriculture--Economic aspects--Andes Region.
Andes Region--Economic integration.
Farms, Small--Andes Region.
Harvard subject headings:
Agriculture--Economic aspects--Andes Region.
Andes Region--Economic integration.
Farms, Small--Andes Region.
Princeton subject headings:
Agriculture--Economic aspects--Andes Region.
Andes Region--Economic integration.
Farms, Small--Andes Region.