000 00274nam a22001217a 4500
020 _a9759393723192
082 _aS 540
_bEXA
100 _aExam Winner
245 _aChemistry/
_bExam Winner
260 _aKozhikode;
_bboby books,
_c2024.
300 _a144p.;
_b28cm
942 _cBK
999 _c3914
_d3914