Aktualni problemi na prebroi͡a︡vanii͡a︡ta na naselenieto v NR Bŭlgarii͡a︡ za perioda 1900-1985 godina
By: Dano Balevski.
Edition: 1. izd.
Publisher: Izd-vo i pechatnit͡s︡a pri T͡S︡entralno statistichesko upr.
Published: 1989
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 132
Subjects: Bulgaria -- Census -- Methodology -- History -- 20th century.