13531
Ratzan, Lee
Understanding information systems: what they do and why we need them
Chicago
American Library Association
2004
xvi, 253p.: ill
Bibliography p.: 237-245
Includes index
Lee Ratzan
، Information science
، Information storage and retrieval systems
Popular works ، Computer science
Popular works ، Mathematics
Z
665
.
R366
2004
AU
TI
CL
