TY  - BOOK
AU  - Hanson,Peggy
TI  - Operating data entry systems
SN  - 0136378196
PY  - 1977///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Electronic data processing
KW  - Electronic digital computers
KW  - Programming
KW  - Computer input
KW  - output equipment
N1  - Includes index
ER  -