TY  - BOOK
AU  - Haden,Douglas H.
TI  - Total business systems: computers in business 
SN  - 0829900926 :
AV  - HF5548.2 .H25
U1  - 658/.05/4 
PY  - 1978///
CY  - St. Paul
PB  - West Pub. Co.
KW  - Business
KW  - Data processing
N1  - Includes index; Bibliography: p. 409-419
ER  -