Columbia subject headings:
Agricultural industries--Southern Cone of South America--Congresses.
Agriculture--Economic aspects--Southern Cone of South America--Congresses.
MERCOSUR (Organization)--Congresses.
Southern Cone of South America--Economic integration--Congresses.
Southern Cone of South America--Rural conditions--Congresses.
Harvard subject headings:
Agricultural industries--Southern Cone of South America--Congresses.
Agriculture--Economic aspects--Southern Cone of South America--Congresses.
MERCOSUR (Organization)--Congresses.
Southern Cone of South America--Economic integration--Congresses.
Southern Cone of South America--Rural conditions--Congresses.
Princeton subject headings:
Agricultural industries--Southern Cone of South America--Congresses.
Agriculture--Economic aspects--Southern Cone of South America--Congresses.
MERCOSUR (Organization)--Congresses.
Southern Cone of South America--Economic integration--Congresses.
Southern Cone of South America--Rural conditions--Congresses.