Study of effectiveness of the existing performance appraisal system for Academic Staff of general  Sir John Kothalawala Defense University 
Alwis, P.L.LC.P. 
 -  2016. 
 - ix,77p. 
<br/><br/> Thilakasiri, M., & Sudasinghe, S.R.S.N. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/391