Kelkar, S. A Information systems : a concise study S.A. Kelkar - - India PHI Learning Pvt Ltd 2009 - 935 ISBN: 9788120336513 Subjects--Topical Terms: ᅠᅠSystem analysisᅠᅠBusiness --Data processingᅠManagement information systemsᅠ Dewey Class. No.: 658.403 KEL-S