Ėkologicheskoe obrazovanie i vospitanie
Subtitle: tezisy dokladov vsesoi͡u︡znoĭ konferent͡s︡ii, 11-13 mai͡a︡ 1987 goda
By: [redaktor R. Ratas].
Contributors: Ratas, Rein.
Publisher: Akademii͡a︡ nauk Ėstonskoĭ SSR
Published: 1987
Place of publication: Tallin
Language: rus
Number of pages: 100
Notes: At head of title: Akademii͡a︡ nauk SSSR ...