Columbia subject headings:
Colombia--Economic conditions--21st century.
Free trade--Colombia.
Reciprocity (Commerce)--Colombia.
Harvard subject headings:
Colombia--Economic conditions--History.
Colombia--Economic conditions.
Foreign trade regulation--Colombia.
Free trade--Colombia
Reciprocity (Commerce)--Colombia.
Princeton subject headings:
Colombia--Economic conditions--History.
Foreign trade regulation--Colombia.
Free trade--Colombia.
Reciprocity (Commerce)--Colombia.