Chelen opit--sot͡s︡ialistichesko sŭrevnovanie
Subtitle: materiali ot obsŭzhdaneto na poredit͡s︡ite "Chelen opit" i "Sot͡s︡ialistichesko sŭrevnovanie--teorii͡a︡ i praktika".
Publisher: Profizdat
Published: 1979
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 88