3Flexible Learning in Action: Case Studies in Higher Education, edited by Rachel Hudson, Sian Maslin-Prothero and Lyn Oates. 1997.
4Nicoll, Katherine, Chappell, Clive. Policy Effects.. "Flexible Learning" in Higher Education and the "Dedifferentiation" of the Vocational Sector. Studies in Continuing Education, 1993.
5Implementing and Managing Flexible Learning—Establishing Flexible Learning Program. Tony Simmonds. Thames Valley University. London. Pitman Publishing, 1995.