TY  - BOOK
AU  - Evans Llionel
AU  -  Leedham John  ,ed
TI  - Educational technology for coninous education
T2  - (Aspects of educational technology, 9)
U1  - T40gF 
PY  - 1975///
CY  - London
PB  - Kogan page       
KW  - EDUCATION
ER  -