Vŭtreshna migratsii͡a na naselenieto v NR Bŭlgarii͡a prez perioda ot 1. 12. 1965 do 2. 12. 1975 godina (reprezentativno nabli͡udenie)
By: Komitet po edinna sistema za sotsialna informatsii͡a pri Ministerskii͡a sŭvet.
Publisher: Komitet po ESSI
Published: 1979
Place of publication: Sofii͡a
Language: bul
Number of pages: 163
Subjects: Migration, Internal -- Bulgaria.
Notes: "Prebroi͡avane na naselenieto i zhilishtnii͡a fond kŭm 2 dekemvri 1975 godina."