Srivastava , M. M. <br/><br/>
Environment   some focal issues 
M. M. Srivastava 
 - Dehra Dun  Bishen singh mahendra pal singh  1995 
 - xiv, 223p 
<br/><br/><label>ISBN: </label>8121101190 
<br/><br/><label>Dewey Class. No.: </label>363.700954 En88