Columbia subject headings:
Poland--Economic conditions--1981-1990--Periodicals.
Poland--Economic policy--1981-1990--Periodicals.
Harvard subject headings:
Poland--Economic conditions--1990---Periodicals.
Poland--Economic policy--1990---Periodicals.
Princeton subject headings:
Periodicals.
Poland--Economic conditions--1990---Periodicals.
Poland--Economic policy--1990---Periodicals.