TY  - BOOK
AU  - Bates,A.W.
TI  - The role of technology in distance education
SN  - 0709932243
PY  - 1984///
CY  - London
PB  - Croom Helm
KW  - Open University
KW  - Distance education
KW  - Audio
KW  - visual aids
KW  - Educational technology
N1  - Includes bibliographical references
ER  -