000 00421nam a2200169Ia 4500
020 _a0809487705
040 _cPK-LaCSN
082 _bCHI
_a510
100 _aTime Life
245 0 _aWhat are numbers? (6 to 99) 6
260 _bTime-Life, Asia
_aHong Kong
_c1988
300 _a47
490 _aA child's first mathematics program
942 _2ddc
_cR
999 _c242883
_d242883