Directory of environmental literature and teaching aids.
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                  | Korporativní autor: | |
|---|---|
| Médium: | Kniha | 
| Jazyk: | English | 
| Vydáno: | 
      Reading :
        
      Council for Environmental Education,    
    
      c1979.
     | 
| Témata: | 
| Fyzický popis: | 194 p. ; 30 cm. | 
|---|---|
| ISBN: | 0906711002 |