Detsata na Bŭlgarii︠a︡
Subtitle: [sb. statist. materiali
By: [red. kolegii︠a︡ Amalii︠a︡ Khristova ... et al.].
Edition: 1. izd.
Publisher: KESSI
Published: 1979
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 271
Subjects: Children; Statistics