A study of the customer oriented approach of public administration 
Udowita, P.V.M.B.S. 
 -  2006. 
 - ix,51p.: 
<br/><br/> Amarawardena, G.K.D., & Wickremasinghe, G. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/23