000 00357nam a2200145Ia 4500
020 _a9789812718617
082 _b114
_a500
100 _a"YUSOFF A R"
245 0 _aLETS LEARN SCIENCE WORK BOOK STANDARD-1
260 _bEPB PAN PACIFIC
_aSINGAPORE
_c2007
300 _a110
944 _cTR
999 _c218575
_d218575