Tharumaratnam, Vythilingam <br/><br/>
An introduction to a 21st century energy source for Sri Lanka  Ground source energy systems (GS-systems) 

 - London  Business Marketing International  1995 
 - 71 p.  Illustration 
<br/><br/><label>ISBN: </label>0952551713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS<br/>ENERGY<br/>SLC
<br/><br/><label>Dewey Class. No.: </label>333.79  / THA