The study of the impacts of training programmes on the labour productivity of operational staff in the Apparel industry of Gampaha district 
Tiranayake, D.T.R. 
 -  2009. 
 - viii,63p.: 
<br/><br/> Ratnayake, Y., & Wijekoon, W.M.M.G.D. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/69