000 00388nam a2200157Ia 4500
020 _a9789812808141
040 _cKoha
082 _b1000621
_a500
100 _a"LENG,HO PECK"
245 0 _aNew Lower Secondary Science practical 1-A
260 _b,Pan pacific
_asingapore
_c1997
300 _a148
942 _2ddc
_cTR
999 _c716406
_d716406