TY  - BOOK
AU  - Bajpai,A.C.
AU  - Brunstrom,C.K.
AU  - Cleary,Alan
AU  - Leedham,J.F.
AU  - Mann,A.P.
AU  - Mayes,Terry
AU  - Packham,Derek
TI  - Aspects of educational technology
PY  - 1969///
CY  - London
PB  - Sir Isaac. Pitman, London
KW  - Programmed instruction
KW  - Congresses
KW  - fast
KW  - Conference papers and proceedings
N1  - Association for Programmed Learning and Educational Technology v. ill. 23cm Editors: v.3. A.P. Mann and C.P. Brunstrom - v.4
ER  -