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