TY  - BOOK
AU  - Percival,Fred
AU  - Ellington,Henry
TI  - A handbook of educational technology
SN  - 0893971502 (Nichols) :
AV  - LB1028.3 .P39 1984
U1  - 371.3/07/8 19
PY  - 1984///
CY  - London, New York, NY
PB  - Kogan Page, Nichols Pub. Co.
KW  - Educational technology
KW  - Handbooks, manuals, etc
N1  - Includes index; Bibliography: p. [215]-234
ER  -