000 00343nam a2200145Ia 4500
020 _a8122203663
082 _b2088
_a000
100 _a"Howard W"
245 0 _aDoing Simple Math in Your Head
260 _bOrient Paper Backs
_aDelhi
_c2006
300 _a157
944 _cBK
999 _c591509
_d591509