| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c106090 _d106089 |
||
| 005 | 20200817102337.0 | ||
| 008 | 200814b ||||| |||| 00| 0 eng d | ||
| 020 | _a9788184082388 | ||
| 080 |
_a025.5 _bRAT/U |
||
| 100 | _aRatzan, Lee | ||
| 245 |
_aUnderstanding information systems _bwhat they do and why we need them |
||
| 260 |
_aNew Delhi _bIndiana Publishing House _c2009 |
||
| 300 | _a253p. | ||
| 653 | _aInfotmation Systems | ||
| 653 | _aInformation Services | ||
| 942 | _cOO | ||