Materiali za nat͡s︡ionalen kurs po problemi na obrazovanieto za opazvane na okolnata sreda, organiziran ot MNP, T͡S︡IUURK, sŭvmestno s I͡U︡NESKO, ot 4 i͡u︡ni, gr. Sofii͡a︡
Subtitle: [za sluzhebno polzuvane]
By: [redaktori Emilii͡a︡ Zhablenova, Ilii͡a︡ I͡A︡kov].
Contributors: Zhablenova, Emilii͡a︡.; I͡A︡kov, Ilii͡a︡.; Bulgaria. Ministerstvo na narodnata prosveta.; T͡S︡entralen institut za usŭvŭrshenstvuvane na uchiteli i rŭkovodni kadri.; Unesco.
Publisher: [s.n.]
Published: 1979
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 128
Subjects: Nature conservation -- Study and teaching -- Congresses.; Environmental protection -- Study and teaching -- Congresses.; Environmental protection -- Congresses.
Notes: At head of title: Ministerstvo na narodnata prosveta. T͡S︡entralen institut za usŭvŭrshenstvuvane na uchiteli i rŭkovodni kadri.