A Study on the effectiveness of the clearance system of Unaccompanied Passenger Baggage (UPB) at Sri Lanka Customs. 
Dinesh,S. 
 -  May 2013 
 - ix,117p.: 
<br/><br/> Sudasinghe,S.R.S.N. and Goonewardena,Neville 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/221