Da se uchim, da rabotim i zhiveem po komunisticheski
By: Nat︠s︡ionalno sŭveshtanie ... 20-31 maĭ 1964 g. [redaktor Vi︠a︡ra Pet︠s︡anova]
Publisher: Profizdat
Published: 1964
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 170
Subjects: Labor; Congresses; Socialist competition