TY  - BOOK
AU  - Dock,V.Thomas
AU  - Essick,Edward L.
ED  - SRA Data-Processing Curriculum Group.
TI  - Principles of business data processing
SN  - 0574191402
AV  - HF5548.2 .D62 1978
PY  - 1974///]
CY  - Chicago 
PB  - Science Research Associates 
KW  - Business
KW  - Data processing
N1  - Previous ed. by SRA Data-Processing Curriculum Group
ER  -