000 00326nam a2200145Ia 4500
020 _a1901458024
082 _bT-1597
_a510
100 _a"Crawford Doreen"
245 0 _aMATHEMATICS 1
260 _b,Peak
_asingapore
_c2011
300 _a144
944 _cTB
999 _c280994
_d280994