Columbia subject headings:
Employee motivation--Soviet Union.
Suggestion systems--Soviet Union.
Working class--Political activity--Soviet Union.
Working class--Soviet Union.
Harvard subject headings:
Employee motivation--Soviet Union
Suggestion systems--Soviet Union.
Working class--Political activity--Soviet Union.
Working class--Soviet Union
Working class--Soviet Union--Political activity.
Princeton subject headings:
Soviet Union--Economic policy--1986-1991.
Soviet Union--Politics and government--1982-.
Working class--Political activity--Soviet Union.