Perera, H. D. B. S <br/><br/>
Trend analysis of the use of natural resources in the construction industry 

 - Colombo  The Dept. of National Planning  2002 
 - vi,54 p. 
<br/><br/><label>ISBN: </label>9559017098 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONSTRUCTION INDUSTRY<br/>NATURAL RESOURCES<br/>SLC
<br/><br/><label>Dewey Class. No.: </label>333.7  / PER