000 00427nam a2200169Ia 4500
020 _a9780190701505
040 _cPK-LaCSN
082 _a510
_bYEE
100 _aChang suo hui
245 0 _aPrimary mathematics workbook
_bworkbook 1B 2nd edition
260 _c2007
_boxford press
_asingapore
300 _a187
700 _aDr foong pui yee
942 _cTB
999 _c836714
_d836691