Natural Resources of Sri Lanka : Conditions and Trends  

 - Colombo:  Keels Business Systems Ltd,  1991. 
 - xi,280p.;  col ill.;  27cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land Economics<br/>Economics
<br/><br/><label>Dewey Class. No.: </label>333.7  / NAT