Columbia subject headings:
Brazil--Commerce--Periodicals.
Brazil--Commercial policy--Periodicals.
Foreign trade regulation--Brazil--Periodicals.
Harvard subject headings:
Brazil--Commerce--Periodicals
Brazil--Commercial policy--Periodicals.
Foreign trade regulation--Brazil--Periodicals.
Periodicals
Princeton subject headings:
Brazil--Commerce--Periodicals.
Brazil--Commercial policy--Periodicals.
Foreign trade regulation--Brazil--Periodicals.
Periodicals.