000 00297nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a510 KBS/M SIN/U
100 _aSINHA K B
245 0 _aUNDERSTANDING MATHEMATICS
260 _bALLIED PACIFIC PRIVATE LTD
_c2000
300 _a226
942 _cTB
999 _c24048
_d24048