Columbia subject headings:
Argentina--Statistics, Vital--Periodicals.
Brazil--Statistics, Vital--Periodicals.
MERCOSUR (Organization)--Statistics--Periodicals.
Paraguay--Statistics, Vital--Periodicals.
South America--Economic integration--Periodicals.
Uruguay--Statistics, Vital--Periodicals.
Harvard subject headings:
Argentina--Statistics, Vital--Periodicals.
Brazil--Statistics, Vital--Periodicals.
MERCOSUR (Organization)--Statistics--Periodicals.
Paraguay--Statistics, Vital--Periodicals.
South America--Economic integration--Periodicals.
Uruguay--Statistics, Vital--Periodicals.
Princeton subject headings:
Latin America--Economic integration--Periodicals.
MERCOSUR (Organization)--Periodicals.