000 | 00485nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 131223s9999 xx 000 0 und d | ||
040 | _aISI KOLKATA | ||
041 | _aEnglish | ||
082 |
_a510.7 _bN277 |
||
110 | _aNational Council of Teachers of Mathematics | ||
245 |
_aInstruction in arithmetic _byearbook |
||
260 |
_aN Y _bColumbia University _c1960 |
||
440 | _aNational Council of Teachers of Mathematics; 25 | ||
650 | _aArithmetic | ||
650 | _aMathematics | ||
942 | _cBK | ||
999 |
_c47669 _d47669 |