National Science council of Sri Lanka Wimalaratne, K.D.G. <br/><br/>
An introduction to the national archives-Sri Lanka / 
K.D.G.Wimalaratne  
 - Colombo  National Science council of Sri Lanka  1978 
 - 31 p. 
<br/><br/><label>Dewey Class. No.: </label>25.17095489  / SRI