TY  - BOOK
AU  - Wooldridge,Susan
TI  - Data processing: made simple 
T2  - Made simple books
SN  - 0434984558
U1  - 004 
PY  - 1982///].
CY  - London: 
PB  - Heinemann, 
KW  - Electronic digital computers
KW  - Data processing
N1  - Includes bibliography and index
ER  -