References and further reading
- Holmberg , B . 1985 . Status and Trends of Distance Education , Lund : Lector Publishing .
- Lewis , R . 1984a . How to Tutor and Support Learners , Council for Educational Technology .
- Lewis , R . 1984b . Open Learning in Action , Council for Educational Technology .
- Lewis , R . 1985 . How to Develop and Manage an Open‐Learning Scheme , Council for Educational Technology .
- Lewis , R and Paine , N . 1984 . How to Communicate with the Learner , Council for Educational Technology .
- Lambert , MP . 1988 . “ How to develop a correspondence course ” . In Developing Distance Education , Edited by: Sewart , D and Daniel , JS . 47 – 9 . Oslo : ICDE .
- Mason , R and Kaye , A , eds. 1989 . Mindweave , Oxford : Pergamon Press .
- Vester , F . 1984 . Denken, Lernen, Vergessen , dtv Sach‐buch .