Peterson's distance learning, 1997.

Published 1996

The open learning handbook promoting quality in designing and delivering flexible learning

by Race, Philip
Published 1994

Open universities a British tradition

by Bell, Robert E. 1930-
Published 1993

The open learning handbook selecting, designing, and supporting open learning materials

by Race, Phil
Published 1989

Writing for distance education.

Published 1979

Distance education a survey and bibliography

by Holmberg, Borje
Published 1977