Materiali za izuchavane reshenii︠a︡ta na XII Kongres na BKP
by Stefan Angelov, Vasilka Vŭlkova
Bŭlgarska komunisticheska partii︠a︡Bŭlgarska komunisticheska partii︠a︡. Kongres 1981 : Sofia, Bulgaria)
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For young readers
Book data: Open Library