Research inventions and national development  compilation of contributions of Sri Lankan researchers and inventors - 2008 

 - Colombo  Ministry of Higer WDucation  2008 
 - ix,168p.  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Government publications<br/>Bibliographies
<br/><br/><label>Dewey Class. No.: </label>378.0072  / RES