000 00288nam a2200121Ia 4500
008 220901s2015 xx 000 0 eng d
082 _a372.7 BAN
100 _aBanga, Chaman Lal
245 0 _aTeaching of Mathematics
260 _bDelhi: Rajkamal
_c2015
300 _a284
942 _2ddc
_cBK
999 _c6941
_d6941