000 00383nam a2200157Ia 4500
020 _a0195799437
040 _cPK-LaCSN
082 _a510
_bCHO
100 _aYee pui foong prof
245 0 _aThinking mathematics workbook b
260 _c[NA]
_bOxford university press
_aNew york
300 _a84
942 _cTB
999 _c837766
_d837743