A STUDY OF COMPUTERIZED CARGO CLEARANCE SYSTEM IN SRI LANKA CUSTOMS DEPARTMENT   eng. 
Lamahewa, R. 
 - xiv, 94p.:  30cm. 
<br/><br/> Bandara, N M S A. & Medagama, S. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/172