| 000 | 00384 a2200133 4500 | ||
|---|---|---|---|
| 005 | 20250319124304.0 | ||
| 082 | _a513 MOR | ||
| 100 | _aMORTON, R. L. | ||
| 245 | _aMaking Sure of Arthmetic | ||
| 260 |
_aNew York, _bSilver Burdett Company, _c1952. |
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| 300 |
_a380p.: ill,; figure, graph, table _bReferences. _c21cm. |
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| 700 | _aGRAY, M., SPRINGSTUN, E & SCHAAF, W. L. | ||
| 942 |
_2ddc _cBKS |
||
| 999 |
_c968 _d968 |
||