Zhiznena sreda i zdrave
Subtitle: tezisi za zdravni besedi
By: pod red. na D. Donchev.
Contributors: Donchev, D.; Institut za zdravna prosveta (Sofia, Bulagaria)
Series: V pomosht na lektora ; 72
Publisher: In-t za zdravna prosveta
Published: 1978
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 30
Subjects: Environmental health.
Notes: At head of title: Ministerstvo na narodnoto zhdrave. Institut za zdravna prosveta.