Shukla, S. K. and Srivastava, P. R. <br/><br/>
Environmental resource conservation 

 - New Delhi  Commonwealth publishers  1992 
 - 276p. 
<br/><br/><label>ISBN: </label>8171692060  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental studies
<br/><br/><label>Dewey Class. No.: </label>333.7  / SHU