Title: Roli︠a︡ta na rabotnicheskata klasa v suvremenii︠a︡ revoli︠u︡t︠s︡ionen prot︠s︡es : sb. [statii /
Authors: Kostov, Pavel,; Akademii︠a︡ za obshtestveni nauki i sot︠s︡ialno upravlenie.
Publisher: AONSU pri T︠S︡K na BKP,
Year: 1974
Subjects: Working class.; Communism.; Communism