Trivedi, R N  <br/><br/>
A Text Book of Environmental Sciences / 
R N Trivedi 
 - 1st ed. 
 - New Delhi :  Anmol Publications,  1997. 
 - xi, 472 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>8174885447 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environment. <br/>Environmental education.
<br/><br/><label>Dewey Class. No.: </label>333.7  / TRT 1997