Roli͡a︡ta na izvŭnklasnite i izvŭnuchilishtnite formi za ekologicheskoto vŭzpitanie na uchenit͡s︡ite
By: [redakt͡s︡ionna kolegii͡a︡ Zdravka Kostova ... et al.].
Contributors: Nauchnoizsledovatelski institut po obshto obrazovanie "T. Samodumov."; T͡S︡entralna stant͡s︡ii͡a︡ na mladite agrobiolozi--Sofii͡a︡.; Mezhdunaroden nauchen simpozium "Obrazovanieto i opazvaneto na okolnata sreda" (1981 : Vrat͡s︡a, Bulgaria)
Publisher: [s.n.]
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 263
Subjects: Environmental protection -- Study and teaching -- Bulgaria.
Notes: At head of title: Ministerstvo na narodnata prosveta. Nauchnoizsledovatelski institut po obshto obrazovanie "T. Samodumov." T͡S︡entralna stant͡s︡ii͡a︡ na mladite agrobiolozi.
Based on papers from the Mezhdunaroden nauchen simpozium "Obrazovanieto i opazvaneto na okolnata sreda," held in Vrat͡s︡a in 1981.