Environment and Natural Resources 

 - V.P.Agrawal & S.V.S.Rana 
 - Newdelhi  Jagmander Book Agency  1986 
 - 155p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of Natural Resources <br/>Problems of water pollution <br/>Ecological Problems
<br/><br/><label>Dewey Class. No.: </label>363.73  / AGA