Dvadeset godini sot͡sialistichesko stroitelstvo v t͡sifri.
Publisher: Nauka i Izkustvo
Published: 1964
Place of publication: Sofii͡a
Language: bul
Number of pages: 289
Subjects: Bulgaria -- Statistics.
Genres: Statistics.
Notes: Romanized record.
At head of title: Narodna Republika Bulgarii͡a.