TY  - BOOK
AU  - Hartley,James, x
AU  - x
TI  - Designing instructional text: x
SN  - 0893972185
U1  - 689.22/H332d 
PY  - 1991///
CY  - London ; New York
PB  - Kogan Page
KW  - Printing, practicl - Make - up
KW  - Teaching - Aids and devices
N1  - Includes
ER  -