Man and environment   an introduction to environmental studies 
<label>;</label> Arudpragasam, K.D. 
 - Colombo  Central environmental authority  1995 
 - x, 189p.  ill.  30 cm. 
<br/><br/><label>ISBN: </label>9559012088 
<br/><br/><label>Dewey Class. No.: </label>333.714  / MAN