TY  - BOOK
AU  - Haags, S.,Cummings M., Rea,Jr.
TI  - Computing concepts:introductory edition
SN  - 0-07-283081-6
AV  - SBL QA 76  H217 2004
PY  - 2004///
CY  - New York
PB  - McGraw-Hill
KW  - electronic data processing
ER  -