Povishavane obrazovanieto na rabotnicheskata klasa
Subtitle: sbornik
By: Petŭr Vasilev, Asen Abramov.
Publisher: Raĭonen nar. sŭvet "Vasil Levski"--Sofii͡a︡
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 114