Agarwal K C <br/><br/>
Environmental biology 

 - Delhi  Agro botanical publishers  1987 
 - 439p. 
<br/><br/><label>ISBN: </label>8185031193 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental organizations<br/>Environmental education<br/>Natural resources and pollution<br/>Ecosystem
<br/><br/><label>Dewey Class. No.: </label>577  / AGA/E