A Study for an effective Passenger E- Clearance System. 
Ranatunga,R.M.C.B. 
 -  15th March 2014 
 - xi,83p.: 
<br/><br/> Medagama,S. and Bandara,N.M.S.A. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/207