Columbia subject headings:
Harvard subject headings:
Indians of South America--Ecuador--Social conditions
Palm oil industry--Social aspects--Ecuador.
Quechua Indians--Social conditions
Princeton subject headings:
Amazon River Valley--Case studies.
Indians of South America--Ecuador--Napo (Province)--Case studies.
Napo (Ecuador : Province)--Case studies.
Oil palm--Ecuador--Napo (Province)--Case studies.