Mahajan, V.S <br/><br/>
Environment planning, machinery and management 

 - New Delhi  Deep  1991 
 - viii,456 p. 
<br/><br/><label>ISBN: </label>817100332X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>333.7  / ENV