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

 - Colombo  The Department of National Planing Ministry of Policy Develo  2002 
 - vi, 54 p. 
<br/><br/><label>ISBN: </label>9559017098 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources
<br/><br/><label>Dewey Class. No.: </label>333.7  / PER