proceeding of the 2nd symposium on applied science, business & industrial research 20th may 2010 Kuliyapitiya Faculty of Applied Sciences, Wayamba University of Sri Lanka 2010 2010 vii, 228p. 21cm. INDUSTRIAL MANAGEMENT - ELECTRONICS - MATHEMATICAL SCIENCES - COMPUTING AND INFORMATION SYSTEMS - RESEARCH APPLIED SCIENCES - RESEARCH 607 FAC 9789558746646