INDIRA GANDHI NATIONAL OPEN UNIVERSITY PRINCPLES OF MANAGEMENT AND INFORMATION SYSTEM ENG - R - NEW DELHI INDIRA GANDHI NATIONAL OPEN UNIVERSITY 2011 - 158P PB - INDIRA GANDHI NATIONAL OPEN UNIVERSITY . ISBN: 8126627255 Subjects--Topical Terms: --INDIA LC Class. No.: 658 IGN P Dewey Class. No.: 658 IGN P