Karannagoda, Neluka Maduranga කළමනාකරණ තොරතුරු පද්ධති = Kalamanakarana thoraturu paddathiya - Colombo Author 2011 - 154 p. ISBN: 9789555314008 Subjects--Topical Terms: Information systems-managementManagement information systems Dewey Class. No.: 658.4038011 / K16