Indira Gandhi National Open University MANAGEMENT OF MEDIA AND MATERIALS IN DISTANCE AND OPEN LEARNING English - R - New delhi Indira Gandhi National Open University 2011 - 48 PB - Indira Gandhi National Open University . ISBN: 9788126651818 Subjects--Topical Terms: --INDIA LC Class. No.: 658 IGN M Dewey Class. No.: 658 IGN M