Ekologichnoto obrazovanie i pedagogicheskii͡a︡t kolektiv
By: [redakt͡s︡ionna kolegii͡a︡ Zdravka Kostova ... et al.].
Contributors: Kostova, Zdravka.; Bulgaria. Ministerstvo na kulturata, naukata i prosvetata.
Publisher: [s.n.]
Published: 1988
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 218
Subjects: Human ecology -- Study and teaching (Elementary) -- Bulgaria.; Nature study -- Bulgaria.
Notes: Includes bibliographical references.
At head of title: Ministerstvo na kulturata, naukata i prosvetata ...