Nebel, Bernard J. <br/><br/>
Environmental science :  the way the world works / 
Bernard J. Nebel, Richard T. Wright. 
 - 5th ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c1996. 
 - xxi, 698 p. :  ill. (some col.), col. maps ;  29 cm. 
<br/><br/>Includes bibliographical references (p. 650-666) and index. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>0133521540   TZS 12,000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks.
<br/><br/><label>Dewey Class. No.: </label>363.7 NEB