000 00531nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bN277
110 _aNational Council of Teachers of Mathematics. N Y
245 _aSignificant changes and trends in the teaching of mathematics throughout the world since 1910 : yearbook
260 _aN Y
_bColumbia University
_c1929
440 _aNational Council of Teachers of Mathematics, 4
650 _aMathematics
942 _cBK
999 _c47663
_d47663