Seminar on new directions in science & technology in <br/><br/>
Proceedings of the Seminar on new directions in science & technology in Sri Lank 

 - Sri LanColombo  Natural resources, energy and science authority of Sri Lanka  1993 
 - 87 p. 
<br/><br/><label>ISBN: </label>_ 
<br/><br/><label>Dewey Class. No.: </label>500  / SEM