Za visoka obshchestvena proizvoditelnost na truda
Subtitle: Vstʺp. slovo i dokl. pred Nat︠s︡. part. konf., 20 mart 1974
Publisher: Partizdat
Published: 1974
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 80
Subjects: Labor productivity; Congresses