Sedmi svetoven kongres na profsŭi͡u︡zite
Subtitle: sŭstoi͡a︡l se v Budapeshta ot 17 do 26 oktomvri 1969 godina
By: [preveli ot frenski Rumi͡a︡na Berova, Nikolaĭ Georgiev ; redaktor Nadezhda Angelova].
Publisher: Profizdat
Published: 1970
Place of publication: [Sofii͡a︡]
Language: bul
Number of pages: 266