Trivedi R.N. <br/><br/>
A texbook of enviromental science 

 - New Delhi  Anmol Publications  1993 
 - 410p.  21cm 
<br/><br/><label>ISBN: </label>8170416825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ASSOCITION<br/>OTHER SOCIAL PROBLEMS & SERVICE<br/>SOCIAL SERVICE
<br/><br/><label>Dewey Class. No.: </label>363.7  / TRI