000 00329nam a2200145Ia 4500
020 _a9788171816606
082 _b902
_a510
100 _a"MATHEW ABRAHAM"
245 0 _aMENTAL MATHEMATICS
260 _b,LEARNERS
_aINDIA
_c1998
300 _a26
944 _cTR
999 _c370256
_d370256