4[6]Cesar Caballero,Henry T.Ingle.Thousands Still Shoeless:Developing Libvary Sevices in Support of Distance Education:A Case Stydy.http://www.westga.edu/library/jlsde/
5Margaret M. Jobe, Deborah S. Grealy. The Role of Libraries in Providing Curricular Support and Curricular Integration for Distance Learning Courses. Advances in ibrarianship, 2001, vol. 25,67 - 94. Academic Press.
6Marianne Foley. Instant Messaging Reference in an Academic Library:A Case Study. College & Research Libraries, 2002, v. 63.n. 1.
