000 00381nam a2200157Ia 4500
020 _a9789812808103
040 _cPK-LaCSN
082 _a500
_bLEN
100 _aLeng, Ho Peck
245 0 _aInternational lower secondary science-1
260 _c2009
_b,Marshall crevendish
_aNA
300 _a202
942 _cTB
999 _c857901
_d857878