TY  - BOOK
AU  - Hills, Philip
AU  - Gilbert,John
AU  - Budgett, R. E. B.
TI  - The spread of educational technology
SN  - 0850380936
PY  - 1977///
CY  - London
PB  - Kogan Page
KW  - Educational Technology
N1  - Vols. xii : Educational technology in a changing world. xiv : Educational technology to the year 2000. xv : Distance learning and evaluation. xviii : New directions in education and training technology. xix : Educational,training and information technologies-economics and other realities. xx : Flexible learning systems
ER  -