3065
Head, Robert V.
A guide to packaged systems
New York
Wiley-Interscience
]1971[
xi, 116p.: ill
The Wiley communigraph series on business data processing
Bibliography: p. 113-114
]by[ Robert V. Head
Computer programs ، Business
HF
5548
.
2
.
H397
AU
TI
CL
