000 00334nam a2200133Ia 4500
008 220201s2020 xx 000 0 eng d
082 _a510
_bDAS
100 _aDass, H K
245 0 _aAdvance Engineering Mathematics
250 _a22th ed.
260 _aNew Delhi
_bS Chand & Company Pvt Ltd
_c2020
300 _a1410p.
942 _2ddc
999 _c37993
_d37993