"Marion A. Brisk" <br/><br/>
1, 001 ideas for science projects on the environment 

 - NEW YORK  ,New York : Macmillan USA, c1997.  1997 
 - 244 
<br/><br/><label>ISBN: </label>9780028617077 
<br/><br/><label>Dewey Class. No.: </label>000  / 48