REFERENCES
- Banes , D and Coles , C . 1995 . IT for All , London : David Fulton .
- Gill , J . 1996 . Telecommunications: The Missing Links for People with Disabilities , London : Royal National Institute for the Blind .
- Hartley , J . 1994 . Designing Instructional Text , (3rd edn) , London : Kogan Page .
- Hawkridge , D and Vincent , T . 1994 . Learning Difficulties and Computers: Access to the Curriculum , London : Jessica Kingsley .