Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Colombia--Villavicencio Region (Meta)
Llanos (Colombia and Venezuela)--Economic conditions--Case studies.
Villavicencio Region (Meta, Colombia)--Economic conditions.
Princeton subject headings:
Agriculture--Economic aspects--Colombia--Villavicencio (Meta).
Villavicencio (Meta, Colombia)--Economic conditions.