000 00255nam a2200109Ia 4500
008 170821s017 xx 000 0 und d
100 _aOswal C New Edu
245 0 _aOswal Chapter Wise Solns.
260 _bOswal
_c2006
300 _a424
942 _2ddc
_cBK
999 _c494547
_d494547