Nauka, tekhnika, kommunizŭm
Subtitle: [izsledvane
By: Dimitŭr Filipov ... et al.].
Edition: 1. izd.
Publisher: G. Bakalov
Published: 1975
Place of publication: Varna
Language: bul
Number of pages: 233
Subjects: Communism and society; Technological innovations
Notes: Includes bibliographical references.