Research Inventions and National Development  Compilation of contributions of Sri Lankan Researchers and Inventors - 2008 

 - Colombo  Ministry of Higher Education  2008 
 - ix,168 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HIGHER EDUCATION<br/>NATIONAL DEVELOPMENT<br/>PAMPHLET BOX 181<br/>RESEARCH INVENTIONS