TY  - BOOK
AU  - Richmond,William Kenneth
TI  - The concept of educational technology: a dialogue with yourself
SN  - 0297001124
U1  - 371.3 19
PY  - 1970///
CY  - London
PB  - Weidenfeld & Nicolson
KW  - Educational technology
N1  - Includes bibliographical references
ER  -