Singh, M.P. <br/><br/>
Enviroment and natural resources 
/ M.P. Singh , S.G. Abbas, B.S. Singh 
 - Delhi:  Satish Serial Publishing House,  2005. 
 - 451p. 
<br/><br/><label>ISBN: </label>8189304011 
<br/><br/><label>Dewey Class. No.: </label>333.7023  / SIN/E