000 00404nam a2200157Ia 4500
020 _a9789812084460
040 _cPK-LaCSN
082 _b229_T
_a500
100 _a"THO LAI HOONG"
245 0 _aNew lower secondary science practical 2A
260 _c1997:
_aSingapore,
_bPan Pacific publications.
300 _a60
942 _2ddc
_cTB
999 _c732228
_d732228