000 00271nam a2200121 4500
082 _a510.2462 GRE-H
100 _aGrewal B.S.
245 _aHigher Engineering Mathematics
250 _a44th
260 _aNew Delhi
_bKhanna
_c2017
300 _a1238
942 _2ddc
_cBK
999 _c130593
_d130593