Nat͡s︡ionalna sreshta s nastavnit͡s︡ite v otrasŭl gori i gorska promishlenost, provedena na 9.XI.1979 g. vŭv Velingrad.
Contributors: Profsŭi͡u︡z na rabotnit͡s︡ite ot gorite i gorskata promishlenost. T͡S︡entralen komitet.
Publisher: Profsŭi͡u︡z na rabotnit͡s︡ite ot gorite i gorskata promishlenost, T͡S︡entr. kom-t
Published: 1980
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 74
Subjects: Mines and mineral resources -- Bulgaria -- Congresses.