000 00328nam a2200133Ia 4500
008 220201s2021 xx 000 0 eng d
082 _a510
_bGRE
100 _aGrewal, B S
245 0 _aHigher engineering mathematics
250 _a44th ed.
260 _aNew Delhi
_bKhanna Publication
_c2021
300 _a1238p.
942 _2ddc
999 _c38172
_d38172