De Silva,M.A.T. <br/><br/>
Sri lanka science & technology indicators 

 - Colombo  Natural resources   1991 
 - 130p.,  27 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic policy <br/>Industria policy <br/>Methodology
<br/><br/><label>Universal Decimal Class. No.: </label>5  / SIL