Title: Materialy Plenuma T͡Sentralʹnogo komiteta KPSS, 25 apreli͡a 1989 goda
Subjects: Congresses, Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za, Politics and government
Places: Soviet Union
Time periods: 1985-1991