Natural Resources of Sri Lanka  Conditions and trends 

 - Colombo  NARESA  1991 
 - xi,280 p.  some Colour 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS<br/>NATURAL RESOURCES<br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>333.7  / NAT