000 00361nam a2200133Ia 4500
100 _aChaphekar, M.G.
365 _b1
942 _cBK
654 _a
245 _aHow can we make teaching and learning of mathematics more effective
260 _aNew Delhi
_bNational Council for Educational Research and Training
_c1964
082 _a375.51
300 _bHb
_a16
999 _c372942
_d372942
041 _aeng