000 00331nam a2200145Ia 4500
020 _a9695330241
082 _b3588
_a500
100 _a"NA"
245 4 _aTHE BASIC SCIENCE BOOK 1
260 _bHOUSTEN EDUCATION
_aKARACHI
_c2002
300 _a91
944 _cBK
999 _c267429
_d267429