Encyclopedia of teaching of enviromental sciences   vol. 1 

 - vi, 248 pages ;   24 cm 
<br/><br/><label>ISBN: </label>8126113871 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection ; Environment indicators
<br/><br/><label>Dewey Class. No.: </label>363.7