Yazar
mezhdunarodnyi fond baikal
1 cilt bulundu.
Cilt sonuçları
Ėkologicheskoe obrazovanie i vospitanie
I. I. Dumova, Mezhdunarodnyĭ fond Baĭkal, Baĭkalʹskiĭ institut rat︠s︡ionalʹnogo prirodopolʹzovanii︠a︡ (Rossiĭskai︠a︡ akademii︠a︡ nauk) · Baĭkalʹskiĭ in-t rat︠s︡ionalʹnogo prirodopolʹzovanii︠a︡ SO RAN
108 sayfa · 1993
Nature conservation / Congresses / Ecology / Study and teaching