| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c64243 _d64243 |
||
| 008 | 180619b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9780962734151 | ||
| 082 |
_a513.9 _bHow |
||
| 100 | _aHoward, W. J. | ||
| 245 | _aDoing Simple Math In Your Head | ||
| 260 |
_aOregon _bCoast Publishers _c1992 |
||
| 300 |
_aviii;130p. _bpb _c8.5x5.5 |
||
| 350 | _a0 | ||
| 365 | _b315.42 | ||
| 650 | _aMental arithmetic | ||
| 942 | _cBK | ||