5Booth H, O'Brien K. Demand driven Cooperative Collection De velopment: Three Case Studies from the USA. Interlending Document Supply. 2011,39(3) :148- 155.
6Satija M, Kaur S. Consortia and Cooperative Collection Develop- ment in the Libraries of Technological Institutes of North India. Library Philosophy , Practice. 2009 ,11 (2) : 1- 10.
7Connell R. Eight May Be Too Many: Getting a Toe-Hold on Co operative Collection Building. Collection Management. 2008,33 (1/2) :17-28.