Politicheska rabota i sotsialna sreda
Contributors: Dinev, Taniu.  Regulirane na migratsiiata.; Ramchev, Koliu.  Edin nauchnoizsledovatelski institut.
Series: Tvorchestvo v partiĭnata rabota
Publisher: Partizdat
Published: 1973
Place of publication: Sofiia
Language: bul
Number of pages: 151
Subjects: Social science research -- Bulgaria -- Case studies