Study of the impact of employee motivation on performance improvement in the public health department of the Colombo Municipal Council 
Jayasekara, J.P.A.D.S.I. 
 -  2008. 
 - vii,55p. 
<br/><br/> Wijekoon, W.M.M.G.D., & Basnayake, K. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/92