| 000 | 00504nam a22001697a 4500 | ||
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| 003 | BD-DhUAAB | ||
| 005 | 20200929151253.0 | ||
| 008 | 200929b xxu||||| |||| 00| 0 eng d | ||
| 040 |
_aBD-DhUAAB _cBD-DhUAAB |
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| 082 |
_223 _a510.7 _bB R D |
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| 100 | _aBrueckner, Leo J. | ||
| 245 |
_aDeveloping Mathematical Understandings : in the Upper Grades _c Leo J. Brueckner |
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| 260 |
_aU. S. A.: _bThe John C. Winston Company, _c1971 |
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| 300 |
_a567 P.: _c24 SM. |
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| 650 | _x Mathematics | ||
| 942 |
_2ddc _cBK |
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| 999 |
_c1933 _d1933 |
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