A study of the impact of public service training on the performance of the public management Assitants' service officers 
Kariyawasam,K.K.G.W. 
 -  2006. 
 - xi,71p.: 
<br/><br/> Jayathilake, M.A.R.D., & Wijekoon, W.M.M.G.D. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/37