A study on effectiveness of utilisation of personal staff of the members of parliament 
Wijeratne, P.D.S. 
 -  2008. 
 - ix,77p.: 
<br/><br/> Wijekoon, W.M.M.G.D., & Herath, H.M.P.B. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/80