Our polluted world

Gorde:
Xehetasun bibliografikoak
OCLC:751484
Egile nagusia: Aylesworth, Thomas G.
Beste egile batzuk: Harris, Jacqueline L. (ed.)
Hizkuntza:English
Argitaratua: Columbus, Ohio, American Education Publications, c1968.
Saila:Unit study books.
Gaiak:
Formatua:

Monograph

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