Interesite na trudeshtite se i vŭzproizvodstvenii͡a︡t prot͡s︡es
Subtitle: empirichno sot͡s︡iologichesko izsledvane
By: Zakhari Staĭkov ... [et al.].
Contributors: Staĭkov, Zakhari.
Publisher: In-t za propaganda na marksizma-leninizma pri Sofiĭskii͡a︡ GK na BKP
Published: 1987
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 157