Study on Effectiveness of Technical Training conducted by the Department of Technical Education and training (Special reference to Engineering stream) 
Undugoda, U.P.M.S.M. 
 -  2016. 
 - ix,61p.: 
<br/><br/> Nafeel, A.C.M., & Sudasinghe, S.R.S.N. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/353