Chhatwal, G R <br/><br/>
Encyclopaedia of environmental management 

 - New Delhi  Anmol publications pvt ltd  1998 
 - vi, 411p.; 24cm. 
<br/><br/><label>ISBN: </label>8174886486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environment