Sistema na ekologichnoto obrazovanie v srednoto uchilishte na NRB i podgotovkata na uchiteli
Subtitle: 11-12 oktomvri : rezi͡u︡meta
By: [redakt͡s︡ionna kolegii͡a︡, Zdravka Kostova, Stefana Kolevska, otgovoren redaktor ... et al.].
Contributors: Kostova, Zdravka.; Kolevska, Stefana.; Nauchnoizsledovatelski institut po obrazovanieto (Bulgaria)
Publisher: [s.n.]
Published: 1988
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 242
Subjects: Human ecology -- Study and teaching (Secondary) -- Bulgaria -- Congresses.; Environmental education -- Bulgaria -- Congresses.
Notes: At head of title: Ministerstvo na kulturata, naukata i prosveta. Nauchnoizsledovatelski institut po obrazovanieto.